JavaScript

Add the random method for the array object: (function () {function Random_sn (IArray) {Return Math.floor (Math.random () * iarray.length);}function Probability_random (IArray) {var random_int;if (iarray.random_sn = = undefined)IARRAY.RANDOM_SN

This is a not dependent on any JS framework, pure JavaScript implementation of the gallery effect. It supports mobile device gesture operation, such as gesture touch sliding, zooming in and off pictures, it also supports keyboard operation on PC, in

1. Current system locale format (tolocaledatestring and tolocaletimestring) Example: (new Date ()). toLocaleDateString () + "" + (new Date ()). toLocaleTimeString ()Results: January 29, 2008 16:13:11 2. Ordinary strings (todatestring and

JavaScript usage The code is as follows Copy Code var Obj=document.getelementbyid (Selectid);obj.options.length = 0; Clear All contentObj.options[index] = new Option ("three", 3); Change the corresponding

The following code is already in the original page and cannot be changed, and the class label is unique on the page: The code is as follows Copy Code user100 Now I want to get the link UID number 100 in the a

Description of defer phenomenon The code is as follows Copy Code javascript defer attribute test page-tests deferring scripts in browsers The outer chain of the href= "javascript:;" >test Defer attribute

Getboundingclientrect (); This method gets the position of the left, top, right, and bottom of an element in the page relative to the browser window, and he returns an object, object, that has an attribute: Top,left,right,bottom Here, the top, the

What is a regular expression? This problem can be seen in the "regular expression 30 minutes introductory Tutorial", where many programming languages support regular expressions, and this article only discusses regular expressions in JavaScript.

Here we look at a piece of code, in fact, the display and hidden layer are using JS to get div ID then set his CSS tutorial style for Bolck or hidden on it, the following look at the function. Call method Show The layer to display

We use the function getday (), getmonth (), getseconds (), getFullYear (), getmilliseconds (), etc. Get the day data,date:get day Month Date:get Month Seconds Date:get Seconds Years Alert (Mydate.getfullyear ()); " >Date:get Full yearMinutes

Returns a string that is used to represent the data type of an expression. typeof[() expression[]]; The expression parameter is any expression that needs to find the type information. DescriptionThe typeof operator returns the type information as

Using the Web page effect to determine the current URL routing and jump to the designated page, the two examples used indexof function and substring function to determine the access to the reference is not our provisions of the entrance Oh.

Example /^ ([0-9a-z][0-9a-z_]*[0-9a-z]|[ 0-9a-z]) @[a-z0-9.-]+. [A-z] {2,4}$/i Do not have too many restrictions on the content after @, can be modified as needed Verify mailbox format function Check_email (obj) { var reg =/^[a-za-

New Document Look at an instance that gets the checkbox value New Document Multiple personalities Lotte Philosophical Mature and stable Childish naughty Gentle and considerate Lively and lovely Ordinary Introverted shyness

This is a simple function that uses length to judge an array and iterate over an array.

This article provides a detailed tutorial on the If Else processing conditions (Web page special Effects Tutorial II), it is very simple to mention a few examples of JS in the if else conditions set up and not set up a detailed tutorial.

Tip: you can modify some code before running Javascript date selector codeJavascript date selector code Tip: you can modify some code before running

Tip: you can modify some code before running Default Browser style Select1Select2Select3Select4 Js simulates the select statement. For the style, refer to IE8 and Firefox. Select1 Select2 Select3 Select4 You can change other styles without

Tip: you can modify some code before running JavaScript control div code Tip: you can modify some code before running