JavaScript

Javascript:Visible area width of the webpage: document. body. clientWidthVisible area height: document. body. clientHeightVisible area width of the webpage: document. body. offsetWidth (including the width of the edge)Visible area height of the

Visible area width of the webpage: document. body. clientWidthVisible area height: document. body. clientHeightVisible area width of the webpage: document. body. offsetWidth (including the width of the edge)Visible area height of the webpage:

Jquery changes the value of the class AttributeCopy codeThe Code is as follows:$ ("# Top_sta"). removeClass (). addClass ("top_tab no_current "); 1. First find the position of the div and p where the block is located.2. remove the original class

Copy codeThe Code is as follows:// Return the value to the parent formFunction returnParent (value) {// obtain the return value of the child formVar parent = window. dialogArguments; // obtain the parent page// Parent. location. reload (); //

Set latency in JS:SetInterval is similar to setTimeout. SetTimeout is used to perform an operation after a delay period.SetTimeout ("function", time) sets a timeout objectSetInterval ("function", time) sets a timeout objectSetInterval indicates

Copy codeThe Code is as follows:// LoadingFunction showLoad (tipInfo ){Var iWidth = 120; // The width of the pop-up window;Var iHeight = 0; // The height of the pop-up window;Var scrolltop = 0;Var scrollleft = 0;Var cheight = 0;Var cwidth = 0;Var

In IE, especially in the current div + css method, the height of the div is usually not defined. This is usually used when you need to obtain the height of the div after adding the div content.In use, sometimes the offsetHeight value is 0, but if

In firefox, if a textarea gets the focus, when the input method is activated, such as sogou input method, and the first Pinyin of a Chinese character is typed, if the background js changes the value of the textarea at this time, the textarea will be

The similarities and differences between the two languages are compared as follows:1. Object-based and object-orientedJava is a real object-oriented language. Even a simple program must be designed. JavaScript is a scripting language that can be

For exampleCopy codeThe Code is as follows:Var test = '{colkey: "col", colsinfo: "NameList "}' It is obviously an object, but how to convert text into an object. Use eval (); Be sure to add parentheses; otherwise, the conversion will fail.Convert

Aspx page code: Click the tab in the GridView to obtain the values in the drop-down box and text box in the row to be clicked.Copy codeThe Code is as follows: confidentiality male female Save Jquery code:Copy codeThe Code is as follows:

The prototype keyword can be used to add methods or attributes to the original JS object or a self-created class.You can also implement inheritance.Example:Copy codeThe Code is as follows: Use of prototype keywords in JS Use of prototype keywords

The general implementation method is:Before the load of the page is not triggered, put the img in all the elements of the specified id into imgs, and put the src values of all the images into a new _ src attribute, set src to the specified display

Copy codeThe Code is as follows: New Document select 1 2 3 select 1 2 3 select 1 2 3 select 1 2 3

I encountered iframe related problems during the project. The business is very simple. In fact, when you operate a form inside the iframe, a function of the parent form is called. So I wrote two simple htm pages for testing. The popular methods on

First, we will introduce the associated array:Copy codeThe Code is as follows:Run the above Code and 1 is displayed.In javascript, methods and attributes are treated as values.Copy codeThe Code is as follows:Implement the above Code and display OK.

Copy codeThe Code is as follows:Function getEditorContents (){Var oEditor = FCKeditorAPI. GetInstance ("content ");Alert (oEditor. GetXHTML (true ));}// Insert the specified code to the editorFunction insertHTMLToEditor (codeStr ){Var oEditor =

However, when Javascript is used to transmit values to flash, there is a probability that flash will obtain the values, sometimes it can be obtained, and sometimes it cannot be obtained. Later, it was discovered that it was actually because of the

Generally, we can use the following code to determine the resolution. Copy codeThe Code is as follows: Js determines browser resolution Copy codeThe Code is as follows: Note: This js code can be changed to screen. width> = 1024 screen. width =

Opener. show ();A show () method is required for the parent form.Parent Page code:Copy codeThe Code is as follows: html.html --> open new page Page to be opened by newpage.html codeCopy codeThe Code is as follows: newpage.html --> click