Namespace a dynamically loaded javascript file's contents

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时光取名叫无心
时光取名叫无心 2021-02-08 13:22

Is it possible to namespace a JavaScript file inserted dynamically?

I know that I can dynamically include a JavaScript file by creating a script tag and in

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  • 2021-02-08 13:41

    If you mean to add a namespace to everything that is defined in that file while loading it dynamically, without modifying the file itself, the answer is no.

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  • 2021-02-08 13:55

    Yes, CommonJS Modules/1.1 specifies only one way of doing it.

    I've used it only with Node.js on server side, but I believe there are other libraries created to work with browser that are CommonJS compliant. Beware that there are multiple module specifications for server/browser (didn't dig into that yet).

    Modules are written just like any other piece of javascript, the only addition is you export what you want to expose:

    module.exports.bar = Bar;
    
    function Bar() {
     // code
    }
    

    And the usage:

    var foo = require('mymodule');
    
    foo.bar();
    

    What is actually done in the background, the whole code is wrapped into another function and exports are its properties.

    Also, Michael Bolin talked about similar problem in his talk about 'with' keyword at JSConf.

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