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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Hubei Horwath Biotechnology Co., Ltd.

14 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Feed Additives, Animal Health Products, Food Additives
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Hubei Horwath Biotechnology Co., Ltd. (Horwath Bio. ), founded in 2013, is located in the Xianning National High-tech Industrial Development Zone, Hubei Province, China. The company focuses on intestinal health and antibiotic alternatives, and is a national high-tech enterprise integrating research and development, manufacturing, and technical services. Horwath Bio. Is dedicated to the development of green feed additives and functional food additives and has grown into a leading enterprise in China's feed additive industry as well as an innovative company in the food additive sector.

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.

Shanghai Kuiguan Science Technology Co., Ltd.

Main Products:
Smart Pet Feeder, Automatic Cat Litter Box, Pet Feeder, Automatic Smart Cat Litter Box, Pet Water Fountain, Air Purifier, Pet Toys, Cat Litter Box, Pet Supplies, Pet Dryer
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai Kuiguan Technology Co., Ltd. is a professional manufacturer and exporter focusing on the R&D, production and wholesale of smart pet home appliances, operating under the self-owned brand HearthPaws. Rooted in China's smart home manufacturing base, we possess standardized production workshops, complete production lines, independent quality inspection laboratories and a mature global supply chain system, delivering stable, safe and high-quality smart pet products for global distributors, brand owners, Amazon sellers and offline retail chain clients. With years of deep cultivation in the smart pet electronics industry, we have accumulated rich manufacturing experience and strict production management standards, enabling us to support large-scale bulk orders, stable long-term cooperation and diversified customized manufacturing services for worldwide B-end buyers.

Jinan Lu Diao Cnc Equipment Co., Ltd.

16 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 Jindiao CNC Equipment Co., Ltd. is a national high-tech enterprise specializing in R&D, manufacturing, sales and service of CNC equipment and automated production lines. Our sales network covers all China and exports to Europe, America, Southeast Asia, Middle East, winning wide recognition. We provide gantry machining centers, 4-axis & 5-axis machining centers, composite processing centers, automatic drilling machines, customized CNC centers, wood and stone engraving machines. Our 5-axis equipment adopts Italian technology. Applied in aviation, light rail, EMU, automotive and mold industries. All structural parts are independently developed with reliable quality and on-time delivery.

Nera Petroleum Mechanical Manufacture Co., Ltd

20 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Downhole Tools for Oil Drilling, Underground Measurement and Control System, Drilling Efficiency Improvement Tools, Internal Blowout Prevention Tools, Top Drive IBOP Valve, AGS, Casing Protector
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Nera was established in March 2007 with a registered capital of 50.1 million yuan. The company covers an area of 60 mu and has constructed production workshops and R&D buildings totaling 50, 000 square meters, with an annual production capacity meeting the demand for products worth 350 million yuan.      

Hubei Wansongtang Health Pharmaceutical Group Co., Ltd.

26 yrs·5.0
·Group Corporation
Main Products:
Slimming Tea, Health Care Tea, Slimming Drink, Dietary Supplements, Slim Green Coffee, Powder, Gummies, Capsule, Tablet, Soft-Gel
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SuiZhou, located in the northwest of Hubei Province, is the birthplace of Yan Emperor Shen Nong, it is also famous for the Chime Bells unearthed from the tomb of Marquis Yi of Zeng. Shennong tasted hundreds of grasses and found herbs in the legend period encourage the setting up of the company--SuiZhou wansongtang KangHui Health Products Co. Ltd. The company was founded in the late 1990s, it is a modern enterprise specialized in the research and produce of health tea, traditional tea substitute, biological products, health food, etc.

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.  

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.

Nanjing Greenlife Medical Equipment Co., Ltd.

5.0
Main Products:
X-ray Machine, Dr System, Hospital Bed, Infant Equipment, Operating Equipment, Hospital Furniture, Medical Equipment, Medical Disposable Product
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
As the leading professional manufacturer and exporter of Hospital Furnitures, X-ray Machines, Medical Equipments & Disposable Products in China. We had exported our medical products to more than 120 countries since 2005. We can supply you all kinds of quality medical products at cheaper price. We hope to establish long-term mutual benefit cooperation with you.

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.

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.

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.

Anhui Viken Intelligent Equipment Manufacturing Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Press Brake Machine, Fiber Laser Cutting Machine, Panel Bender, Shearing Machine, Laser Welding Machine
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Anhui Viken intelligent equipment manufacturing Company Limited is located in Bowang District, Ma'anshan City, Anhui Province China. Our company is a professional enterprise of sheet metal processing equipment such as CNC press brake, panel bender, fiber laser cutting machine, laser welding machine, combined punching and shearing machines, punch press, plate rolling machines, machine tool accessories, tool molds, to provide customers comprehensive solutions for sheet metal processing equipment. Our company has rich experience in the metalworking processing equipment manufacturing industry. We are committed to technological innovation and upgrading of sheet metal processing equipment to meet customer needs.

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.

Shandong Shenglang Kitchen Co., Ltd.

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Freezer
Country/Region:
Shandong, 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.

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.

Yangzhou Kangcheng Power Equipment Co., Ltd.

18 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.

Tiankang Technology Co., Ltd.

18 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Adjustable bed, home care bed, recliner sofa, bathroom safety device
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We offer you a selection of products to meet every requirement. Whether in home care or nursing and aged care, we meet all requirements. Our beds have the following

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".

Shenzhen Zhongliweiye Electromechanical Equipment Co., Ltd.

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Gas Burner, Burner Accessories, Boiler Accessories, Waste Oil Burner, Linear Gas Burner, Burner Controller, Solenoid Valve
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shenzhen Zhongliweiye electromechanical equipment Co., Ltd is a manufacturing company which is focus on design, produce whole set of Powder\liquid\ electrostatic coating equipment\electronic control equipment\industrial manufacture line\UV curing equipment\conveying machinery\"oven"\ powder coating cabinet\tunnel furnace drying line\industrial Coating manufacture line\dust-free purification system for more than 10 years, and we also sell variety of gas/oil burner\infrared gas burner and parts of different brands of China and abroad with more than 1000 install case. We get a strong team, credible, follow contracts, ensure products quality, with a variety of operating characteristics and the principle of short profits and more products sales, won the trust of you. At present, more than 100 enterprises have achieved energy saving, efficiency, environmental protection, cost reduction and profit margin through our purchase or modification of their production lines. Also we are focus on friendly environment, research and produce low NOx premix gas burner which is ≤ 30 mg. We sincerely hope that you will be our next.

Wenzhou Shenguang Sanitary Wares Co., Ltd.

31 yrs
·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

4.9
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

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.

Zhongshan Kaiying Hardware Manufacture Co., Ltd.

14 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