JavaScript

During front-end web development, you will often encounter pages to form or make some tables. For example, if the same content is to be displayed in the same cell, the general method is to set the table in the table, but this method will increase

: Solution: 1. When scaling the form, the blank width on the left of the content is obtained first. $ ("# Nav"). offset (). left. 2. Get the width of the entire form (Note: The desktop resolution is the benchmark and is missing ). 3. Use the

Fixed the hashtableobj. set ("length", "0") bug.You can set the key to ignore the case sensitivity.Clone hashtable objectsYou can use obj. valueOf ("key", "defalutvalue") to set the default value.Bug fixesCopy codeThe Code is as follows:If you want

AppendChild DefinitionAppendChild (newChild: Node): NodeAppends a node to the childNodes array for the node.Supported: IE 5.0 +, Mozilla 1.0 +, Netscape 6.0 +, Safari 1.0 +, and Opera 7.0 +Add a node to the child node array of the specified node. It

Online Demo: http://demo.jb51.net/js/JQueryload/index.htmAll codeCopy codeThe Code is as follows: JQuery-Load JQuery Load Example Load 1 Load 2 This is the region to be loaded LoadContent1.htmCopy codeThe Code is as

I wrote a JQUERY plug-in. To achieve the effect of grouping.   Figure 2. This is a simple grouping effect, grouped by the first "Department" column of the table Figure 3. You can also group multiple columns based on the first column "Department"

I. Javascript variable DeclarationDeclare a variable in JavascriptVar a = 1;Or directlyA = 1;The two expressions are different,One is the local variable of the current scope, and the other is the global variable of the current scope;The special

There are many jQuery plug-ins available now, which can be selected according to your project requirements. However, there are some plug-ins that are useful for almost all kinds of projects. Here we will introduce you to the 12 most commonly used

Cache jquery objects inIn a for loop, do not access the length attribute of the array every time. We should first cache the object into a variable and then operate it, as shown below:Copy codeThe Code is as follows:Var myLength = myArray. length;For

Copy codeThe Code is as follows:$. Request = (function (){Var apiMap = {};Function request (queryStr ){Var api = {};If (apiMap [queryStr]) {Return apiMap [queryStr];}Api. queryString = (function (){Var urlParams = {};Var e,D = function (s) {return

dynamically create html elements in js learning nothing to create stars [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

Copy codeThe Code is as follows:Function CNDateString (date){Var cn = ["〇", "1", "2", "3", "4", "5", "6", "7", "8 ", "9"];Var s = [];Var YY = date. getFullYear (). toString ();For (var I = 0; I If (cn [YY. charAt (I)])S. push (cn [YY. charAt

If you want to update the Validation plug-in, make sure that you update the Validation plug-in to version 1.5.1 at the same time. It is compatible with both version 1.2.6 and 1.3. Major updates include:1. Use the validHandler parameter to replace a

eval () [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

Take the advantages of the first two methods:A. Use constructors to define class attributes (fields)B. Define the class method in prototype mode.There is a third method. This method seems to be widely used by many people.3. Integrated

To achieve arbitrary div drag, we may wish to analyze the entire process.When you click a div, an event is triggered, so that the position attribute (left, top) of the div changes with the mouse position. When the mouse is released, the position

Jquery plugin 1.JQuery UI Tabs This tab script has been bound to the jqueryUI library. It has many configuration items, such as rolling tabs and nested tabs.   2. jQuery idTabs IdTabs allows you to easily add a tab to a webpage, and it can also be

A problem occurs when a page is displayed. In many cases, the displayed text needs to be folded, for example, the text exceeds the width of TD or the width of DIV.Word-break is available in IE, but it does not work in FF. So I studied it and wrote a

Copy codeThe Code is as follows:(Function ($ ){$. Fn. extend ({RollList: function (option ){Option = $. extend ({Direction: "up ",Step: 1,Time: 23}, Option );Var step_coe, scroll_coe, score_coe;If (option. direction = "up "){Step_coe = 1;Scroll_coe =

To hide table columns, the most common method is as follows:Copy codeThe Code is as follows:Td. style. display = "none ";This method is extremely inefficient. For example, hiding a column in a table of thousands of rows takes about 1.4 milliseconds