JavaScript

We introduced the JavaScript array API, which is very powerful in JavaScript, can store any type, automatically expands in length, and provides a way to iterate, filter, and so many arrays of operations. Simply explode Java's array (length fixed,

Let's talk about undefined: The variables in JavaScript are weakly typed, so you need to use the VAR keyword when declaring variables. If it is a strongly typed language like C, declaring the variable without specifying an initial value will give

JavaScript does not give an inherited keyword, but we can still come up with some good ways to achieve it. 1, prototype chain inheritance: Copy Code code as follows: var Base = function () { This.level = 1; THIS.name = "base";

A.html home page B.html home page

Generates m-bit random numbers based on time, maximum 13-bit random numbers, and does not guarantee that the first number is not 0 Function Ran (m) { m = m > 13:m; var num = new Date (). GetTime (); Return num.tostring (). substring

Everyone knows that window.close () is used to close windows, and both IE and Firefox are supported. In order to achieve the user's absolute control of the browser, ie in the closed open window with close to pop up a dialog box to ask users, how to

Most recently, when using jquery's $.each method, it suddenly occurred to me that $.each ($ (' div '), function (index,entity) {}), which came out of this index and entity, and was dispensable, And so tall can tell us the current traversal of

Use loops and splits to replace and delete elements, which are simple to test, but practical, especially for novice friends use loops and partitions to replace and delete elements IE8 still doesn't support indexof and

Remember to give Shige the test system, see their examination page can realize hidden left examinee information part, at that time feel good tall, good humanization. Now that I've learned JavaScript, I can do this, and here's a little bit of a

Online collection of code Export to Excel code   name Age Birth date 6 25 8 1 2 4

An array of sequences means that all elements in an array are sorted in a disorderly order. A common approach is to pass a function to the primitive sort method of the array, which randomly returns 1 or 1 to achieve the objective of randomly

Question: Write a JavaScript function parsequerystring, which is used to parse the URL parameter into an object.Eg:var obj=parsequerystring (URL); Create three types of objects:One: var person=new Object (); Person.name= "Sun"; person.age=24;

The size of the pictures on the page appears to be the same. Our most common to have a multiple-picture article page, the size of the picture is usually the same as the width of the page, so that the page is a straight tube shape, so the layout look

Print with comma-delimited string array. a JavaScript instance per day-split string

1. anonymous functionA function is one of the most flexible objects in JavaScript, and it simply explains the purpose of its anonymous function. anonymous function: A function that has no function name. 1.1 The definition of function, first of all,

First look at MDN's explanation of call The call () method invokes a function or method under the premise of using a specified this value and several specified parameter values. Note: The effect of this method is similar to the Apply () method,

1. Open \dede\templets\album_add.htm file, in the top head of the JS script area to add JS method. function Setag () { var tagg=window.showmodaldialog ("tags_main.php", "tag", "dialogwidth=800px;dialogheight= 600px "); if (typeof (Tagg)!=

As the title shows, look at the example below. (You can use the Chrome browser and then f12/or right button to review the elements.) Pull up the developer tool and enter the console console input.(Tips: When the console is entered, Shift+enter can

Apple posted JavaScript for Automation release Notes (preview) on its official website, causing widespread community concern, and the general consensus was that it was an experimental attempt to replace/complement AppleScript. The predecessor of

There is a previous article that mentions the various invocation modes of anonymous functions. This article looks at the various invocation modes of the named function. 1, () The most commonly used is the () operator to invoke/execute a function: