What is seajs?
This article introduces the knowledge of "what is seajs". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
Seajs is a module loader for Web browsers. With Seajs, you can better organize your JavaScript code.
Core features of Seajs
Whether it is a small or medium-sized site, or large and complex applications, using Seajs can make our work easier and more enjoyable. Seajs has the following core features:
Simple and consistent module format.
Automatic management of dependencies.
Asynchronous parallel loading of scripts.
Rich plug-ins.
Friendly debugging.
The biggest benefit of Seajs is to improve the maintainability of the code. Each of the above features is described in detail in the usage documentation. If a website has more than 3 js files, it is appropriate to use Seajs to organize and maintain code. The more js files involved, the more appropriate the Seajs will be.
What Seajs pursues is a simpler, more natural way of writing and organizing code.
Getting started with Seajs
In the world of SeaJS, a file is a module. All modules follow the CMD specification, and we can write module code as we do in a Node environment:
Define (function (require,exports,module) {
Var$=require ('jquery')
Exports.sayHello=function () {
$('# hello'). Toggle ('slow')
}
})
Save the above code as hello.js, and then you can load it through SeaJS:
Seajs.config ({
Alias: {
'jquery':' http://modules.seajs.org/jquery/1.7.2/jquery.js'
}
})
Seajs.use (['. / hello','jquery'], function (hello,$) {
$('# beautiful-sea') .click (hello.sayHello)
})
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