JavaScript

Today there is a Dude Ask me what happens if the JavaScript function has the same name? At first I did not think carefully, said that may be wrong, but when I finished the experiment found that the page does not have any script error prompts, and

Description Some time ago when the ASP VBScript mastered the same time, instead of learning javascript/jscript, mainly to learn Jscript. But there is no difference between the two, except that Jscript does not have a client concept. In the

1. function objects and function pointers A function is actually an executable object, and any way to access a function object is a function pointer. No matter which way you use it var a=new Function (...); Function A (...) {...} var a=function (...)

The ultimate goal is to write a swing in JavaScript to determine whether or not to perform this function, but in the process of execution, there is a problem, and each time it is executed, it is inserted directly into the database and is not

Written in front of the words: the domestic front of the research in some respects is not inferior to foreign countries, this article although not very understand, but I appreciate this in-depth study of the spirit! The topic of anti-Brendan comes

Use JavaScript to take float type two digits after the decimal point, example 22.127456 to 22.13, how to do? 1. The Dumbest way Copy Code code as follows: function Get () { var s = 22.127456 + ""; var str = s.substring

The simplest way to get the maximum (minimum) value in an array is to iterate through the arrays and find the maximum (minimum) value by comparison. But in fact, in the native method of JavaScript, there are some quick ways to implement this

Event object: When an event occurs, the browser automatically establishes the object and includes the type of the event, mouse coordinates, and so on. Properties of the Event object: Format: Event. property. Some notes: An event represents the

A function is a block of code wrapped in curly braces, preceded by a keyword function: Copy Code code as follows: function functionname () { Here is the code to execute } function argumentsA function can have as many

ECMAScript5 also added 2 methods for merging arrays: reduce () and reduceright (). All the entries for both the iterated algebra groupsReduce (): Iterate from the first entry to the end.Reduceright (): Begins with the last item of the array,

We introduced the data type of JavaScript, today we have some examples to warm up, I hope we can reach the new point. Copy Code code as follows: End Children's shoes have a new understanding of JavaScript data types, I hope you

JavaScript Math.ceil methodThe Math.ceil method is used to rounded up a number to get the smallest integer greater than or equal to the value. The syntax is as follows: Math.ceil (x)Parameter description: Parameters Description

Implementation effect: CSS style code slightly. HTML code: Jquery.mobile, jquery is imported on the page Copy Code code as follows: Copy Code code as follows: " slide to confirm I am human!

Undefined Not defined. Only one value undefined Null Only one value, NULL BooleanIn JavaScript, it is true as long as the logical expression does not return undefined and does not return NULL. Copy Code code as follows: if (3)

Copy Code code as follows:

Code as follows, not much nonsense, can be compatible with basically all the mainstream browser (IE,FF), a lot of places can be used: CopyToClipboard = function (TXT) { if (window.clipboarddata) { Window.clipboardData.clearData

by Justin Silverton The following are 5 JavaScript apps that I thought would never to be possible. They are all written using the canvas HTML element. The canvas element is a third party extension to this allows for dynamic rendering of

The first time you found the Replace () method in JavaScript is to use the Str.replace ("-", "!") directly. Only the first matching character will be replaced. and Str.replace (/\-/g, "!") You can replace all the matching characters (G is the global

Recently on the Internet a lot about how to control in the parent window only a child window problem, I looked at some, most of them can only be solved part or very troublesome, not perfect. For example, someone is implementing this, using a cookie,

IE6.0 only Non-XHTML standard, perhaps IE 7.0 can not see .... Ha ha Blue go first. [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]