In this example, the act function is the showMessage function, which is executed whenever the button is clicked. This demonstrates how the act function works in JavaScript, allowing developers to create interactive web applications that respond to user actions.

What Are The Benefits Of Using Act Functions?

Using act functions in programming offers several benefits that enhance code quality and application performance. One of the primary advantages is modularity. By encapsulating specific actions within functions, developers can create reusable code that can be called multiple times throughout the application. This reduces redundancy and makes the codebase easier to maintain.

Another benefit is improved readability. When functions are well-named and serve a clear purpose, it becomes easier for other developers (or even the original developer at a later time) to understand the code. This clarity is essential for collaboration and long-term project sustainability.

Act functions also promote better testing practices. Since functions can be tested independently, developers can write unit tests to ensure that each act function behaves as expected. This leads to more reliable applications and helps catch bugs early in the development process.

Additionally, act functions can enhance performance by allowing for asynchronous operations. In environments like JavaScript, where non-blocking I/O is crucial, using act functions can help manage tasks that take time to complete, such as network requests or file operations, without freezing the user interface.

How To Create Custom Act Functions?

Creating custom act functions is a straightforward process that involves defining a function and implementing the desired behavior within it. The first step is to determine the specific action that the function will perform. This could range from simple tasks, like logging a message to the console, to more complex operations, such as manipulating data or interacting with external APIs.

Once the action is defined, the next step is to write the function. In most programming languages, this involves using the function keyword followed by the function name and parameters, if any. For example:

function customAction(param) {
  console.log('Action performed with parameter:', param);
}

After defining the function, it can be called whenever needed, either directly or in response to an event. For instance, if you want to call this custom act function when a user clicks a button, you would attach it to an event listener, similar to the previous examples.

Custom act functions can also accept parameters, allowing them to be more dynamic and adaptable to different situations. This flexibility is one of the key reasons why developers prefer to create custom functions for specific tasks, as it allows for greater control over the application's behavior.

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Jinan Safety United Technology and Trade Co., Ltd.

3 yrs
·Trading Company
Main Products:
CNC Angle steel production line, CNC Drilling and milling machine, CNC three-dimensional H-Beam drilling machine, Robot welding machine, Fiber Laser Cutting Machine for plate and H-Beam
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company has employees with 16 years of experience in metal processing equipment. We can offer variety of products which can meet your multifarious demands for processing metals. Our products include: CNC Gantry Drilling and Milling machine, CNC Plate Punching machine, CNC Automatic Angle Steel Production line, H-Beam 3-D Drilling machine, Pipe cutting and welding equipment.

Guangzhou Aemaxx Household Products Co., Ltd.

Main Products:
Waste Bin, Trash Bin, Garbage Bin, Scale, Toilet Brush, Kitchen Trolley, Timer, Food Dehydrator, Storage, Mirror
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangzhou Aemaxx Household Products Co., Ltd., founded in 2002 and located in Guangzhou, Guangdong Province, is a professional, well-know manufacturer of household and bathroom products. Our extensive product range includes stainless steel waste bins, trash can, plastic waste bins, toilet brushes, makeup mirrors, towel racks, storage racks, shower caddies, garment racks, scales, food dehydrators, meat silcers and timers, with over 1, 000 designs available.

Jinan Lu Diao Cnc Equipment Co., Ltd.

15 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
CNC Router, ATC CNC Nesting Machine, Fiber Laser Cutting Machine, Laser Welding Machine, Soft Material Cutting Machine, CNC Plasma Cutting Machine
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jinan Lu Diao CNC Equipment Co., Ltd. Was established in 2011, specializing in production and development of various CNC Router, Fiber laser cutting machine, Fiber laser welding/cleaning machine, Flexible material cutting machine, etc.

Hefei Aquila CNC Equipment Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Wood CNC Router Machine; Stone CNC Machine
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hefei Aquila CNC Equipment Co., Ltd located in the beautiful hometown of Lord Bao- Hefei, Anhui Province. Covering an area of 20, 000 square meters, we specialize in the innovation, manufacturing and trading of Panel Furniture Production Line Equipment, Nesting CNC Machining Center, ATC CNC Machining Center, Woodworking CNC Router, Stone CNC Router, Jade CNC Router, 4- AXIS Rotary CNC Router, Mold-making CNC Router etc. Numerical control technology.

Hebei Guanghao Biotechnology Co., Ltd.

Main Products:
Glutathione, Glutathione-1, Glutathione-2, Glutathione-3, Glutathione-4, Glutathione-5, Glutathione-6, Glutathione-7
Country/Region:
Hebei, China
Sample Service:
Sample Available
Company Profile:
Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. Hebei guanghao Biotechnology is a professional export beauty products, biotechnology enterprise specialized in the research, production and sale of aesthetic products. The establishment of professional technical team, GMP production plant, complete and strict testing system has guaranteed stable and advanced manufacturing technique. The high quality, integrity and global marketing network enable our company to win high praise home and abroad including in Europe, America, Southeast Asia etc.  

Sichuan Wonaixi New Materials Technology Co., Ltd.

Main Products:
Cerium Oxide, Cerous Acetate, Ammonium Cerium Nitrate, Polishing Powder, Anhydrous Cerium Chloride, Anhydrous Lanthanum Chloride, High-Purity Cerium Carbonate, Cerium Carbonate with Low Chlorine Content, Ceric Sulfate, Cerium Hydroxide
Country/Region:
Sichuan, China
Sample Service:
Sample Available
Company Profile:
Wonaxi New Material Technology Co., Ltd. (WNX) is a professional producer of rare earth salts. WNX offers over 30 types of products, including cerium ammonium nitrate, ceric sulfate, high-purity cerium carbonate, anhydrous lanthanum chloride, lanthanum acetate, lanthanum hydroxide, and so on. These products are extensively utilized in numerous industries such as automobile exhaust catalysts, water pollution treatment, permanent magnet materials, medicine, ceramics, coatings, and luminescent materials. With more than 10 years of R&D and production experience, we possess a number of national invention patents and scientific achievements that are rated at the national leading level. This enables us to consistently supply customers with competitive and high-quality products on a large scale. We adhere to the management principle of "quality first, service first, continuous improvement and innovation to meet customer needs", and take "zero defect and zero complaint" as the quality objective.

Guangzhou Maya Medical Equipment Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Medical Equipment, Medical X-ray Machine, B Ultrasound Scanner, Hemodialysis Machine, Patient Monitor, Anesthesia Machine, Medical Disposable Material, Dental Equipment, Laboratory Equipment, Hospital Furniture
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Maya Medical, founded in 2010, specializes in manufacturing medical imaging equipment.

Ningbo Homaster Electrical Appliances Co., Ltd.

Main Products:
Water Filter, Water Purifier, Water Dispenser, Water Cooler, RO System, Water Filtration, Water Pitcher, Water Filter Cartridge, Water Filter Housing, Water Products
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Ningbo Homaster Electrical Appliances Co., Ltd. is one of the largest & leading water filter and water dispenser manufacturers in China. We have been producing water dispenser and water filter units for more than ten years. Most of the products have obtained international approvals like SGS, CE, ISO9001, etc. Our products have fast sales all over the world. And the main export market is Western Europe, Eastern Europe, Southeast Asia, Eastern Asia, and MID East. With the advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with highest quality and best design products.

Ningbo Jinsun Magnetoelectric Technology Co., Ltd.

5.0
Main Products:
Electromagnet, Push Pull Solenoid, Solenoid Lock, Solenoid Door Lock, Electromagnetic Lock, Magnetic Prodcut, Smart Lock
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Ningbo Jinsun Magnetoelectric Technology Co., Ltd. Manufacture a wide range of holding electromagnets and Solenoid. According to different function, electromagnet has two categories: Standard electromagnet and permanent electromagnet.

Wenzhou Kingsun Optical Co., Ltd.

16 yrs
·Trading Company
Main Products:
Optical glasses, Sunglasses, Reading glasses, Glasses accessories
Country/Region:
Zhejiang, China
Sample Service:
Sample Available
Company Profile:
Wenzhou Kingsun Optical was founed in the year 1999, is a leading manufacturer and exporter of eyewear production in China. We are specialized in manufacturing medium-high glasses, our main products line includes, optical frames, sunglasses, reading glasses, accessories ect. Our products are accepted by the customers from all over the world. We have successfully established markets in Europe, America, Middle East, and so on.

Shandong Yitaiwei Machinery Equipment Co., Ltd.

Main Products:
Aerial Work Platform Truck, Truck Mounted Crane, Electric Forklift
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shandong Yitaiwei Machinery Equipment Co., Ltd. is a production enterprise with national qualifications for the production of industrial and information technology vehicles. The company is located in Jiaxiang County, Jining City, Shandong Province. Jining City is the hometown of Confucius, and Jiaxiang County is the hometown of Zengzi. It has a profound cultural heritage, convenient transportation, and pleasant scenery.

Kaifeng Red Maple Leaf Biotechnology Co., Ltd.

22 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Soft Capsule, Hard Capsule, Tablet, Granule
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Kaifeng Red Maple Leaf Biological Technology Co., Ltd. is located in the ancient capital of seven dynasties by the Chinese Yellow River shore, it is a modern high-tech enterprise dedicating to biological technology research, development, manufacture and marketing. The old city's profound cultural deposits have endowed our staffs' basic beliefs of "honest, decorous, practical, thankful", our company constancy running idea of "Strive for excellence and pursuit for perfection".

Yangzhou Kangcheng Power Equipment Co., Ltd.

17 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Diesel generator set
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company offers a diverse and extensive range of high-quality products to meet various market demands and customer requirements. We are dedicated to providing professional solutions and reliable products for clients from all over the world, covering multiple categories to suit different application scenarios and industry needs.

Qingdao Double Whale Pharmaceutical Co., Ltd.

5.0
Main Products:
Dietary Supplement, Melatonin Softgel, Weight Loss Tablet, Protein Powder, Tongkat Ali Capsule, Vitamin D Drops, Collagen Drinks, Vitamin Beads, Omega 3 Softgel, Vitamin
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 1950, Double Whale Pharmaceutical is a long-established pharmaceutical enterprise with more than 75 years of continuous development in China's healthcare industry. Over the decades, the company has grown from a traditional oral formulation manufacturer into a comprehensive group integrating research, production, quality management, and international cooperation. Double Whale's portfolio includes OTC medicines, vitamins, and nutritional supplements with strong performance in bone health, immune support, and general wellness. Supported by provincial and national recognitions, the company is known for its product safety, reliability, and stable market reputation.

Guangdong Jietai Ultrasonic Equipment Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Automatic Ultrasonic Cleaner, Ultrasonic Cleaning Equipment, Ultrasonic Cleaner, Industrial Ultrasonic Cleaner, Precision Parts Cleaning Equipment, Desktop Standard Ultrasonic Cleaner, Ultrasonic Clea
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangdong Jietai Ultrasonic Equipment Co., Ltd. Was established in 2021. Its predecessor, Shenzhen Jietai Ultrasonic Cleaning Equipment Co., Ltd., was founded in 2005. Both enterprises are high-tech companies in the same lineage. With over 20 years of deep involvement in the ultrasonic cleaning industry, Jietai is a high-tech enterprise focusing on ultrasonic cleaning equipment. Its main products include: Fully automatic ultrasonic cleaning machines for optical lenses, fully automatic ultrasonic cleaning systems for semiconductor wafers, mesh belt conveyor spray + air knife integrated cleaning lines, ultrasonic cleaning equipment for semiconductor valves, two-stage reverse osmosis + EDI ultrapure water machines, industrial wastewater treatment equipment, anodizing inline lines, fully automatic hydrocarbon ultrasonic cleaning equipment, explosion-proof ultrasonic cleaning equipment, EP electrolytic passivation cleaning lines for semiconductor valves, and vapor phase ultrasonic cleaning machines. The company has been awarded "Recommended Excellent Enterprise of Shenzhen Cleaning Equipment Companies" and "National High-Tech Enterprise", and is an integrated high-tech enterprise engaging in R&D, production, sales, and engineering services.

Foshan Oscar Building Materials Co., Ltd.

Main Products:
Pergola, Gazebo, Pavilion, Awning, Sunrooms, Aluminum Carport, Aluminum Doors, Aluminum Fence, Outdoor Roller Blinds, Container House
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Foshan Oscar Building Materials Co., Ltd. is a leading manufacturer and supplier of high-quality building materials, specializing in a diverse range of aluminum alloy products. Since its establishment, the company has grown rapidly, driven by a strong commitment to product innovation, exceptional customer service, and adherence to international quality standards. Over the years, Foshan Oscar Building Materials has earned a solid reputation for its commitment to excellence and its ability to meet the needs of both residential and commercial customers.

Zhongshan Kaiying Hardware Manufacture Co., Ltd.

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Door Lock, Smart Lock, Handle Lock, Leverset, Knobset, Cylindrical Knobset
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Zhongshan Kaiying Hardware Products Co., Ltd. Was founded in 2013, and it has a history of 11 years so far. Our products include various tubular and cylindrical knobsets and leversets, deadbolts, as well as many kinds of door lock accessories. All of our products meet ANSI Grade 3 standard and our company exerts great effort on good management and we have a strong quality control team and our own inspection center for testing product endurance, intensity and durability, which ensures high quality standard production. With good quality and great customer service, we have established long-term business relations with the relevant companies in about 30 countries and regions, such as the United States, Canada, Colombia, Mexico, Peru, Australia, India and so on. We have constantly expanded business and the export volume has increased year by year

Yiwu Fragrant E-Commerce Co., Ltd

5.0
Main Products:
Weight Loss Product, Helthy Food, Slimmimg Capsules
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Fuan Spark Power Co., Ltd.

Main Products:
Generator Spare Parts, Diesel Generator, AVR, Controller, Governor, Sensors, Brushless AC Alternator, Actuator, Rectifier, Automatic Transfer Switch (ATS)
Country/Region:
Fujian, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
SPARK is a professional and experienced manufacturer specializing in generator spare parts, located in Fu'an City, Fujian Province-widely known as the "Motor City of China" with a complete industrial chain for motors and generators. With years of dedicated development and innovation, we have built a modern production base and a professional technical team, laying a solid foundation for stable and high-quality product supply. Our company and factory currently employ more than 150 skilled staff, including professional engineers, technical workers, quality inspectors and international sales teams, who work together to ensure efficient production, strict quality control and thoughtful customer service.

Taian Hongli Machinery Equipment Co., Ltd

2 yrs·4.0
·Trading Company
Main Products:
Excavator, Small Excavator, Battery Forklift, Skid Steer, Mini Excavator, Fuel-Powered Forklift, Backhoe Loader, Loader
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shandong Hongli Machinery Co., Ltd (Hongli Machinery) is a high-quality supplier in the field of construction machinery in China. The company has established a network of quality and stable agents and partners in 57 countries and regions around the world, especially in North America, Europe and other markets are popular. We not only provide our customers with high-quality products, technologies and services with leading advantages, but also provide total solutions to meet diversified needs, continuously creating value for our customers and helping them to achieve success.

Wenzhou Shenguang Sanitary Wares Co., Ltd.

30 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Faucet, Sanitary Ware, Tap, Bathroom Accessory, Water Tap, Kitchen Faucet, Bathroom Faucet, Bathroom Set, Toilet, Kitchen Tap
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou Shenguang Sanitary Ware Co., Ltd esablished in 1992, specializing in the faucet. Our trademark is Huadiao and mainly produce basin faucet, bath faucet, bidet faucet, shower faucet, accessories. We accept both OEM and ODM.

Shenzhen Dreamit Tech Limited

4.7
Main Products:
Beauty Devices, Skin Care Instrument, LED Face Masks, Makeup Tools, Beauty Instrument (OEM/ODM), OEM / ODM Electronics, Beauty Device, Home Air Care Appliances, Furniture, Electric Bakhoor Burners
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our Story

Shanghai Inchun Spinning & Weaving Clothing Equipment Co., Ltd.

26 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Press Machine, Washing Machine
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Company Profile:
Shanghai INCHUN SPINNING & WEAVING CLOTHING EQUIPMENT Co., Ltd. is a well-known manufacturer of laundry ironing equipment, and it is one of the most uses our machines in China. Our company have been in this industry for 20 years, and we will keep on providing efficient, practical, durable and high cost performance prod?ucts with focused and professional spirit.

Zhongshan Daxiang Kitchen and Bathroom Co., Ltd

2 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Kitchen Sink
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
ZHONGSHAN DAXIANG KITCHEN AND BATH Co., Ltd. is located in Dongfeng Town, Zhongshan City, Guangdong Province. We mainly produce stainless steel kitchen sinks and export them overseas. Our products are exported to Malaysia, Indonesia, Morocco, Spain, Russia, Saudi Arabia and other Middle Eastern countries. The sink is made of imported wear-resistant and rust-proof stainless steel (304), and is treated with a unique nano-surface polishing technology, which is scratch-resistant and easy to clean. The bottom is sprayed with high-quality non-frost paint to effectively prevent condensation in the sink. In addition, our sink is also equipped with an excellent silencer to effectively reduce water flow noise. Our company adheres to the people-oriented design concept. With advanced processing technology and continuous innovative design, the company has always been at the forefront of the industry, and the one-stop high-quality service of luxury home furnishings continues to convey to customers the modern life concept of "high quality means high taste and enriching life".

Zhengzhou Keda Machinery and Instrument Equipment Co., Ltd.

5.0
Main Products:
Rotary Evaporator, Short Path Distillation, Glass Reactor, Spray Dryer, Freeze Dryer, High Pressure Stirred Reactor, Drying Oven, Ultrasonic Homogenizer, Ultrasonic Cleaner
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhengzhou Keda Machinery and Instrument Equipment Co., Ltd, established in 1981, is a famous manufacturer of Lab equipment located in the central China.

Ningbo Hanyue Medical Technology Co.,Ltd

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Anesthesia Mask, Silicone Mask, Manual Resuscitators, CPR Mask, CPAP Mask, Full Face Mask, PVC CPAP Mask, CPAP Tube, Airway, Silicone Headgear, PEEP Valve, Breathing Bag, Oxygen mask, Laryngeal Mask,
Country/Region:
Zhejiang, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Ningbo Hanyue Medical Technology Co., Ltd., headquartered in Cixi, Zhejiang, China, is a distinguished OEM/ODM manufacturer LED by a team of seasoned medical experts. Specializing in anesthesia, respiratory, and emergency care products, the company's extensive portfolio includes anesthesia masks, CPR masks, CPAP masks, manual resuscitators, HME filters, breathing circuits, and an array of accessories vital for medical procedures.

MAC Chairs And Components Co., Ltd.

16 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Training Chair, Bar Stool, Lab Chair, Office Chair, Leather Chair, Office Chair Parts
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
MAC Chair and Components is a Professional ISO9001 certified Manufacturer of all kinds of office chairs and chair components. Since our inception, we have focused and directed all our resources towards Research and Development of chair office chairs in order to be competitive and to take the leadership in the industry. Our objectives have been achieved effectively with the help of our professional R&D team, excellent sales and service team, skilled and experience workers.