Five methods for date initialization of js data

Create a date object:Copy codeThe Code is as follows:Var objDate = new Date ([arguments list]); The following five parameters are supported:1) new Date ("month dd, yyyy hh: mm: ss ");2) new Date ("month dd, yyyy ");3) new Date (yyyy, mth, dd, hh, mm,

Js Array Operations Learning Summary

Shift:Delete the first entry of the original array and return the value of the deleted element. If the array is empty, return undefined.Var a = [1, 2, 3, 4, 5];Var B = a. shift (); Result a: [2, 3, 4, 5] B: 1 Unshift: add the parameter to the

A small example of how many characters and times appear in a string in javascript

Copy codeThe Code is as follows: untitled document

Example code of js Implementation of menu shrinking Effect

Not much nonsense. directly add the code: there are comments Copy codeThe Code is as follows: menu 1 11111 11111 11111 11111 menu 2 22222 22222 22222 22222 menu 3 22222 22222 22222 22222

Solutions for handling Flexigrid data not displayed in IE

Solution: I have verified that the answers on the Internet are unreliable. As you will know later, Flexigrid does not display data in IE. The solution is to specify the Ajax request data method as the Get method.In addition, flexigrid does not

Use of js trim () Functions and Regular Expressions

1. js does not have trim functions, but you can writeCopy codeThe Code is as follows:Function trim (str ){Var newStr = str. replace (/^ \ s * $/g ,'')Retrun newStr;} 2. Remove spaces between the left and right sides of the string. trim, ltrim, or

How Javascript redirects pages

First:Copy codeThe Code is as follows:Second:Copy codeThe Code is as follows:Third:Copy codeThe Code is as follows:Fourth:Copy codeThe Code is as follows:Category 5:Copy codeThe Code is as follows:

Differences between onkeyup, onkeydown, and onkeypress

There are three differences on msdn: DescriptionOnkeypressThis event occurs when the user presses and releases any alphanumeric key. System buttons (for example, arrow keys and function keys) cannot be identified.OnkeyupThis event occurs when the

Javascript verification can only enter numbers and a decimal point example

Copy codeThe Code is as follows:Function gaga (obj) {// a decimal point and number can be entered.Obj. value = obj. value. replace (/[^ \ d.]/g, ""); // replace all non-numeric values, except numbers and.Obj. value = obj. value. replace (/^ \./g, "")

Use the js for loop to obtain the radio selected value

For example:Copy codeThe Code is as follows: The value of name must be the same. Then, use js to obtain the selected value:Copy codeThe Code is as follows:Var zt = document. getElementsByName ("zt ");For (var I = 0; I If (zt [I]. checked

Example code for Javascript to display the remaining words of a real string

Copy codeThe Code is as follows:// Prompt for remaining characters in the text box (character size)Function textLimitCheckSj (thisArea, maxLength, SpanId ){Var str = thisArea. value;If (getChrLen (str, maxLength)> maxLength * 2 ){ThisArea. value =

Two js Singleton Modes

Solution 1: using the two functions of closures, You can flexibly read internal variables. Second, you can keep these variables in the memory. Copy codeThe Code is as follows:// Solution 1Var SingletonTester = (function (){// Singleton

Display the two divs in the left and right sides and click the title to switch the content.

Copy codeThe Code is as follows: tab homepage Hey, ignore the original class value of the div. test ignore the original h3 class value. bored h3 has no value ~ dumb the div does not have the same value ~ homepage Hey, ignore the

Two solutions to browser cache problems such as js, css, and img

Details determine success or failure! The significance of browser cache is to improve the execution efficiency, but it also brings some problems. As a result, the server modifies js and css, and the client cannot updateMethod 1 generate random

Examples of three methods for calling the background using JavaScript

Method 1: Use to call Front-end JS: Copy codeThe Code is as follows: Method: Copy codeThe Code is as follows:Public static string BehindMethod (){Return "this is a background method ";} Method 2: Use ajax to call Front-end js: Copy codeThe Code is

Sample Code for JS database operations

1. Create an SQL Server databaseDatabase creation: testTable creation: Copy codeThe Code is as follows:/*Navicat MySQL Data TransferSource Server: localhostSource Server Version: 50520Source Host: localhost: 3306Source Database: moTarget Server Type:

Js implements a simple star selector to submit results suitable for comments, etc.

Star selector. Code submission applies to comments.Js libraries are not used, but separate js Code. Copy codeThe Code is as follows: service default level 1 2 3 4 5 price default level 1 2 3 4 5 Quality default

Introduction to using javaScript arguments objects

The ECMAScript function does not mind how many parameters are passed in, nor does it cause errors due to inconsistent parameters. In fact, the function body can use the arguments object to receive passed parameters.Copy codeThe Code is as

JS allows you to enlarge and close click images on the current page.

Lightbox JS is a simple and humble script that overwrites images on the current page. It can be quickly installed and operated in all popular browsers.Click here to view the instance demoHow to use:Step 1-install 1. Lightbox v2.0 uses the Prototype

Identification of the browser's JavaScript Engine

The answer is from StackOverflow. Open this webpage at http://jsbin.com/opuvas. this webpage is also written by the respondent.The QR code is the URL. The webpage contains statistics on the access volume. The author wants to know how many people are

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