JavaScript

When learning javascript, I made a javascript Application: Scaling navigation.Key knowledge points: Get the elements of the trigger event handle, such as . When an onclick event is triggered, obtain the elements of the event, the 'target' attribute

This is a keyword in Javascript. It indicates an internal object automatically generated during function running and can only be used within the function. For example, Function test (){ This. x = 1; } The value of this varies with the function usage.

People always like to add custom attributes to HTML tags to store and operate on data. However, you do not know whether other scripts will reset your custom attributes in the future. In addition, if you do this, the html syntax does not conform to

Copy codeThe Code is as follows:

Copy codeThe Code is as follows:Syntax:$ (Function (){Var callback = function (r) {// r indicates the data returned by the background data.}$. Get ("", callback); // path of the write method in quotation marks});In this way, the data obtained by the

Used to process DOM element attributes of XML documentsCopy codeThe Code is as follows:ChildNodes: returns an array of all child elements of the current element;FirstChild: returns the first sub-element of the current element;LastChild: returns the

Let's take a look at my code. Just embed the code into a page file.Example 1 Use regular expressions to obtainCopy codeThe Code is as follows:Var LocString = string(registry.doc ument. location. href );Function getQueryStr (str ){Var rs = new RegExp

Copy codeThe Code is as follows: click the text pop-up layer 1111111111111111111111111222222222222222222222222222222222222222222222222222 mobile phone number: 1. There is a delay when the network is busy. Please do not send it multiple times

Copy codeThe Code is as follows: the button becomes grayed out after the form is submitted and --> javascript :{ this. disabled = true; document. form1.submit ();} ">

Create an Array objectCopy codeThe Code is as follows:// OneVar aValues = new Array ();// TwoVar aValues = new Array (20 );// ThreeVar aColors = new Array ();AColors [0] = "red ";AColors [1] = "green ";AColors [2] = "blue ";// FourVar aColors = new