JavaScript

I used setinterval to write a small program a few days ago. I will not explain what setinterval is used.The writing method can be used in other browsers. Later, the test team's colleagues took a test and the problem occurred. Because they love 360

An article on jQuery's common methods and functions is retained. Common jQuery operations $ ("Tag name") // obtain the html element document. getElementsByTagName ("") $ ("# ID") // retrieve a single control document. getElementById ("") $ ("Div #

The source code is as follows:Copy codeThe Code is as follows: jquery implements page skin switch and save jQuery skin does not change and save it click the small boxes in the following demos to set the skin of the following content. When the

Note: The Code passes the test in the actual project. I have already omitted some unimportant items. You can focus on the Color Mark section.Foreplay:Q: Why ??A: The project saves the entered text fields to the database. 'View time': obtain the

1. Introduction Seajs is a Web module loading framework that pursues simple and natural code writing and organization methods. Sea. js complies with CMD specifications and is modularized with JS Code. The automatic dependency loading and

Method 1: (applies to ie Only)Copy codeThe Code is as follows:Function CheckStatus (url){XMLHTTP = new ActiveXObject ("Microsoft. XMLHTTP ")XMLHTTP. open ("HEAD", url, false)XMLHTTP. send ()Return XMLHTTP. status = 200}Function NetPing (){Return

Method: Copy codeThe Code is as follows:$. AjaxFileUpload ({Data: {"a": 123, "B": 456}; // additional parameter, in json format});Then modify the two functions in the ajaxFileUpload. js file, which is actually a function (add new parameters to the

In many cases, Jquery keeps displaying and hiding html elements, especially when the mouse goes. Cause to hide and display back and forthCopy codeThe Code is as follows: The correct statement is as follows:Copy codeThe Code is as follows: Or stop

Copy codeThe Code is as follows:Window. onload = function (){Var height = document. body. clientHeight;Document. getElementById ("vivS"). style. height = (height-20) + "px ";Document. getElementById ("emd"). style. height = (height-20) + "px

I encountered a long-time problem in the project and finally solved it today. In fact, the solution is very simple.Directly run the Code:Copy codeThe Code is as follows:// For version detection, set to min. required Flash Player version, or 0 (or 0.0

First:Copy codeThe Code is as follows: User AccountLogon Password SecondCopy codeThe Code is as follows: User AccountLogon Password Third:Copy codeThe Code is as follows: User AccountLogon Password

The following describes how to obtain URL addresses in JS:Copy codeThe Code is as follows:ThisURL = document. URL;ThisHREF = document. location. href;ThisSLoc = self. location. href;ThisDLoc = document. location; ThisTLoc = top. location.

Copy codeThe Code is as follows:ThisDLoc = document. location; ThisURL = document. URL; ThisHREF = document. location. href; ThisSLoc = self. location. href; ThisTLoc = top. location. href; ThisPLoc = parent.doc ument. location; ThisTHost = top.

Three common methods for automatically executing JS functions on webpagesIn the Head area of HTML, there are the following functions:Copy codeThe Code is as follows: Next, let's take a look at the above functions to make them automatically run when

Copy codeThe Code is as follows:Function square (num ){Var total = num * num; // local variableReturn total;}Var total = 50; // global variableVar number = square (20 );Alert (total); // The result is 50. Function square (num ){Total = num * num; //

If a webpage is long and has many images, it takes a lot of time to download the images, which affects the loading speed of the entire webpage, the image you want to view will be loaded based on your scrolling situation, and then it will request to

The implementation method is as follows: (only jquery is sent here. Please fill in the relevant html code by yourself. I will not send it, haha) /*** Auto refresh * @ type {* | jQuery | HTMLElement} */var $ container = $ ('# main'); $ container.

Function Declaration function foo() {} Function foo will be promoted by hoist before execution of the entire program, so it is available in the entire scope (scope) that defines the foo function. It is okay to call the function even before it is

Overview Forms returns a collection (an HTMLCollection object) that contains all form elements in the current document. Syntax Var collection = document. forms; Example Get form information

Before that, we will first introduce a line-by-line reading of the file content NPM: https://github.com/nickewing/line-reader. For details, see. Directly run the Code: Function readLines (input, func) {var remaining = ''; input. on ('data',