I was analyzing javascript codes in a chrome extension and noticed this in it.

require("name of required class/file/module") //Not sure whether it is class,file,module

May be its because I'm newbie to programming or something,but I cant find the 'require' keyword in javascript reference or documentation.There is 'import' statement for importing modules. I googled for require for javascript but all I can find is the 'require' for node.js, the server side scripting using javascript. I am talking about chrome extension/client side script.Does anyone have any idea about this ?

I was analyzing javascript codes in a chrome extension and noticed this in it.

require("name of required class/file/module") //Not sure whether it is class,file,module

May be its because I'm newbie to programming or something,but I cant find the 'require' keyword in javascript reference or documentation.There is 'import' statement for importing modules. I googled for require for javascript but all I can find is the 'require' for node.js, the server side scripting using javascript. I am talking about chrome extension/client side script.Does anyone have any idea about this ?

• javascript

• 9 Possible duplicate of What is this Javascript "require"? – jmargolisvt Commented Feb 23, 2016 at 4:47
• 1 require() isn't a keyword. It's a function defined either by the environment (Node.js), a library (e.g. RequireJS), or a build tool (e.g., Browserify). AMD and CommonJS are the mon standards related to require(), each defining it differently. (The snippet appears to follow CommonJS-style.) – Jonathan Lonowski Commented Feb 23, 2016 at 4:53

2 Answers 2

require method is part of the monjs file and module loader. You can check more details in their Sample page.

You may be looking for requirejs.

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node. Using a modular script loader like RequireJS will improve the speed and quality of your code.