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explain: Internet The addEventListener() method is not supported in Explorer 8 and earlier IE versions, and is not supported in Opera 7 and earlier Opera versions. However, for browsers that do not support this function, you can use the attachEvent() method to add event handles. Internet Explorer 8 and earlier does not support the remo ...

In the process of the project, the user will trigger an event. It is necessary to trigger the corresponding event for another element and then execute the corresponding code. In jquery, it can be implemented through trigger trigger API Today, I thought about how to implement js without jq? Recently, I read the book "javascript advance ...

Before I start typing, I need to figure out a few questions: 1. The way snow flakes exist, I use < div > A kind of < / div > to represent a snowflake; 2. The size of snow flakes should be in a range and random; 3. The transparency of snow flakes should also be changed. The color of newly emerged snow flakes will surely be darker ...

Ring chart effect: The left statistical chart data is bound to the attendance rate of the right personnel. When the attendance rate of several personnel changes, the statistical chart is updated. Introduce js and set css: <script src="scripts/jquery/jquery.circliful.min.js"></script> /*Ring chart style start*/ .circli ...

In the previous project, uploadify(flash version) was used to realize the image upload function. The upload plug-in browser that relies on flash is not compatible enough, so Huploadify was used to replace uploadify for the following reasons: 1. Does not depend on flash. 2. The library file size is one third of uploadify. 3. Browser c ...

I used to use version 2.1.4. After seeing the update, I tried it and found that there were many changes. First, introduce js and css <link rel="stylesheet" href="uploadify.css" />    <script src="jquery.uploadify.js"></script>   Of course, jquery is essential Next is the code: //File upload   ...

Example used by JSONP and artTemplate template template engine - Request weather data The first two articles briefly summarize The principle of cross domain request in jsonp , and The use of artTemplate template engine . So make a simple example of requesting weather. I don't know why. Yesterday's request for Baidu ...

Bootstrappvalidator custom form validation Bootstrappvalidator custom form validation Foreground verification updateMessage Background interactive server verification Foreground verification /** * callback **/ inadvanceAmount: { validators: { notEmpty: {message: 'Appointment ...

When we use ajax encapsulated by jQuery in the web Callbacks can be executed But this callback function accepts fixed data types In the servlet background Well known transmission types are text json Of course, this is transmitted to jQuery If jsp is used That's another thing So far, I haven't specifically test ...

AMD of JavaScript modular programming requireJS basic use Tags (space delimited): JavaScript Reference article AMD specification AMD is the abbreviation of "Asynchronous Module Definition", which means "Asynchronous Module Definition". It loads the module asynchronously, and the loading of the module does not affect the ru ...