html5 shim

Before the Requirejs framework, if we wanted to use the jquery framework, it would be loaded in the HTML page via the (undefined) {}) (jQuery);If the jquery plugin is used in our project, but the jquery framework is loaded via REQUIREJS (no global variable is added), how do I complete the loading of the jquery plugin? Using a traditional party, loading the jquery plugin through Requirejs the shim parameter to complete the loading of the jquery plugin.

follows:Requirejs.config ({ baseUrl: ' Libs '}) require (["Dateutil", "stringutil"], function (dateutil,stringutil) { alert (dateutil===undefined);//true});run index.html, observed through F12:It is obvious that dateutil.js and stringutil.js can be loaded by Requirejs normally, but the return value of these 2 modules cannot be obtained. We modify the next index.html, register the event handler function with the Div, and invoke the method provided by Stringutil.js in the event handler func

Original linkIn the JavaScript world, there are two words that are often mentioned, that is shim and polyfill, what are they referring to, and what is the difference? In this article, we will briefly give you a brief introduction of their relationship and differences.ShimA shim is a library that introduces a new API into an old environment, and is implemented only by means already available in the old envir

The modules in Seajs obey the CMD specification by default, but in reality there are a lot of common JavaScript libraries such as jQuery, underscore, etc. Using the shim plugin, these ordinary JS files can be converted to a CMD module, which can be used normally in SEAJS. Seajs.config ({ plugins: [' Shim ']}); Once activated, alias configuration items can be configured to accept

First, ShimRequirejs is developed using AMD specifications and is configured using Requirejs shim If the non-AMD specification JS is loaded during development. The shim configuration syntax is://configuration fileRequirejs.config ({baseUrl:' JS ',//By default, the folder where Main.js is located is the benchmark. paths: {jquery:' Jquery-1.12.4.min '//from the individual name }, //Key ConfigurationShim

Before the Requirejs framework, if we wanted to use the jquery framework, it would be loaded in the HTML page via the jquery. Now that's the problem, although the jquery framework has started to support AMD specifications, many of jquery's plugins still don't support AMD and still need to use the global variable $ as before. jquery plugins are mostly structured as follows:(function ($, undefined) {}) (JQuery);If the jquery plugin is used in our project, but the jquery framework is loaded via REQ

Using the Requirejs load module, the module is defined to comply with the AMD specification, which defines the module using the following function when defining the module: 1 define (function () { 2 var private = function { 3 Console.log (' Private party Fa ... ' ); 4 }; 5 return 6 public:function () {private ();} 7 }; 8 }); What if you wanted to embed some of your previous code in Requirejs, even if you included the module code with define, but that code didn't co

Es-next:Esnext is similar to traceur, you can use command line to compile files.Install:Install esnext-gHere's how to compile a, a single file, a print it to stdout:Esnext Myfile.jsTo compile many files at once, specify an output directory:Esnext-o build lib/**/*.jsTo enable source maps for these files, add the **--source-maps** flag.But Esnext doesn ' t support as many ES6 features as traceur, so it's not that popular.Es-shimEs-shim is different from

Polyfill is a kind of shim.Shim is to encapsulate different APIs into one, such as JQuery's $.ajax package XMLHttpRequest and IE ActiveXObject way to create XHR objects;Polyfill specifically Shim API is standard , its typical practice is to add window in IE browser. XMLHttpRequest, the internal implementation uses ActiveXObject.In fact, in order to facilitate the comparison, will be specifically Shim API is

If the AMD specification is used in Requirejs, there are not many problems in using it, and if you load a JS file that is not an AMD specification, you will need to use shim in require.Require.config ({ paths:{ jquery: "/js/jquery2.0", instorage: "/js/in/instorage", Product: "/js/ Product/product ", Cate:"/js/product/category ", }, shim:{ cate:{ deps:[]

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Recently, many practical html5 video playing and music playing functions have been seen in the forum. Most of them are looking for answers. So I will make a demo here for everyone to learn from each other. Html5 development is becoming increasingly popular, and video is an essential part. How to make your website take advantage depends on your functions and user experience.

(1) HTML5 is now not a subset of SGML, it is mainly about the image, location, storage, geographical location and other functions of the increase. Painting canvas elements; Video and audio elements for media playback; Local offline storage Localstorage long-term storage data, the browser is closed after the data is not lost, sessionstorage data is automatically deleted after the browser is closed; Semantically better content eleme

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HTML5 is attracting more and more attention. Apple even regards HTML5 as the source of Flash. However, HTML5 is still a new technology for many people. This article collects 15 HTML5 resources worth collecting. These resources can keep you consistent with the development of HTML5