JavaScript

It is easy for you to learn about js classes, so that you can quickly master the js class definition methods. There are many methods and the results are the same. You can choose based on your hobbies. Post a code first: Function O (user, pwd) {//

Returns true if the variable is null: undefined, null, false, 0, [], {}. Otherwise, false is returned. The Code is as follows: Function empty (v ){Switch (typeof v ){Case 'undefined': return true;Case 'string': if (trim (v). length = 0) return

The javascript string is split into a single character and cannot exceed 10. Evaluate the final value and first list your birthday, for example, 1987 12 25. Then add 1 + 9 + 8 + 7 + 1 + 2 + 2 + 5 = 35 Split the obtained number and add 3 + 5 = 8 The

Recently, I have been studying JQUERY's CHECKBOX. I have already introduced the full selection and cancellation of the CHECKBOX. Now I will continue to share with you the third method. At the same time, I can implement the inverse selection and

IE is a different type of browser, but the solution is quite simple. When using Firefox and Safari, you can use the setArribute method of the element to set the class attribute of the element. IE is a different type in the current browser, but the

Tips for using jquery element selector 1. Starting from $ $ Should be familiar with prototype, Prototype: var element = $ ('eleid ') Jquery: var element = $ ('# eleId ') DOM: var element = document. getElementById ('eleid ') The above three options

The start date of the current week, that is, the date from Sunday to Saturday. script printWeek (); script [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

This is the note I have read about DOM programming art, and I understand JavaScript and javascript authoritative guide 5. I am not qualified and cannot write Advanced articles. If you think the notes are not well written, you can leave it alone.

Implementation Code for batch modification of asp Array records 'Asp array batch modification record Id = Request ("id ") Id = Split (id ,",") Hits = Request ("hits ") Hits = Split (hits ,",") Regtime = Request ("regtime ") Regtime = Split

Enter the password on the javascript simulated keyboard The Code is as follows: /*************************************** ***************// * Function Description: Write the password input control to the page.// * Parameter description://

When TextStraem is implemented, the code used to identify the file encoding is VBS. However, in JScript, there are no functions such as ASC and binary data cannot be processed, therefore, a special method is required to obtain the encoding

Some common javascript Functions are used as reference for learning. // mhHover ('start ID name', 'nth TD tag', 'style name ') Program code Function mhHover (tbl, idx, cls ){ Var t, d; If (document. getElementById) t = document. getElementById

Xmlhttp pool code written in javascript. The following method is called: var Pool_xmlreq = function (){ Var _ cacheCase = []; _ CacheCase. fetch = function (){ Var I = 0; Var _ instance = function (){ Try { Return (new ActiveXObject ("Msxml2.XMLHTTP.

Js from the starting point, mainly including String trim, Cookie settings, and other String. prototype. trim = function () { Return this. replace (/(^ \ s *) | (\ s * $)/g ,""); } String. prototype. len = function () { Return this. replace (/[^ \ x0

In the JavaScript code in the address bar, you can paste the following statement into the address bar and press enter to see the effect. Javascript: with (document. body) {background = ""; bgColor = "#779966"; text = "# bb4400"}; void (document.

The uniq method of the JavaScript Array adds a prototype method to the local object of the Array. It is used to delete repeated entries in the Array entries (multiple entries may exist ), the returned value is a new array containing the deleted

JavaScript Cookies use Cookies. We already know that there is a cookie attribute in the document Object. But what is Cookie? "Some websites store some information on your hard disk with small text files, which are called cookies ." -- MSIE help. In

Common JavaScript form verification set JavaScript Form Verification age The JavaScript form verifies the age and determines whether an input value conforms to the age by using a regular expression. // Check the age Function isAge (str ){ Var

Javascript array summary JS array method summary using call Methods Shift: Delete the first entry of the original array and return the value of the deleted element. If the array is empty, undefined is returned. Var a = [1, 2, 3, 4, 5]; Var B = a.

A simple bug that occurs when the flash method is called by JS conforming to web standards is updated by Microsoft XP. It means that the flash of pages inserted in the traditional webpage creation mode cannot be browsed normally, when the page is