JavaScript

Copy Code code as follows:

HTML code: Copy Code code as follows: untitled document username: password: JS Code: Copy Code code as follows:

1: Modify how the loop executes for (Var i=0;iExecuting code } This method takes a Element.childNodes.length value for Each loop, and should be changed to the following var n=element.childnodes.length for (Var i=0;iExecuting code } 2: The number

In JS everything is an object, the function is also an object, function name is actually refers to function definition object variables. 1, what is arguments? The arguments in this function is very special, and is actually a built-in class array

One, the + operator procedure for reference type objects (I mean String,date,object,array,function,boolean) is as follows! 1, first call the ValueOf method of this object, get the return value a 2, and then convert this number a to numbers and get

The following 8 are common: MouseDown: The portals of the mouse is pressed. MouseUp: The portals of the mouse is released and bounced. Click: Portals of the mouse. DblClick: The portals of the mouse is pressed. ContextMenu: Right-click menu

Although this set of key can only be String type, unlike the Java inside a variety of collection classes can use a variety of objects as a key, but for the implementation of the general client JS function, is enough to use. Similarly, because all of

The specific conclusions can be found in "JavaScript dynamic this and dynamic binding instance code". This article focuses on designing a binding function without intrusion. [Ctrl + A All SELECT Note: If the need to introduce

Copy Code code as follows: Get element x coordinates function Pagex (elem) { Return elem.offsetparent? (Elem.offsetleft+pagex (elem.offsetparent)): Elem.offsetleft; } Get element y coordinate function Pagey (elem) { Return

Code to write more cumbersome, many methods used very primitive ... The code is as follows: &L T;ul id= "News_list" > 2005-09-02 Web page Standard and standard guide download use the module to quickly start your 2005-01-29 Use

The realization method of JavaScript acquiring random number The above is small series for everyone to bring the JavaScript to achieve the implementation of random number of all the content, I hope that we support cloud-Habitat Community ~

Connection string Connection string [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform] Search string Find the position of a string Str.indexof (SUBSTR) STR represents the

first, the factory way Own understanding: To create instances of many objects, these instances have the same properties, but have different attribute values. This is the time to create a factory function (factory functions). Factory function:

-Enter a keyword, click on the following search engine links, you can enter the engine page -If you enter a keyword and then hit enter, the default search engine is used, and each new search engine is selected, the default engine will

This section makes Firefox also support IE's InnerText method Copy Code code as follows: function Isie () { if (Window.navigator.userAgent.toLowerCase (). IndexOf ("MSIE") >=1) return true; Else return false; } if (!isie ()

address selection with 51job effect you have selected City summary Please select City [cancels] [OK] No. 0 Floor 1th level 2nd floor 3rd level Beijing Fujian Sichuan Jiangsu Shanghai Yunnan Guizhou

onBeforeUnload is also invoked when the page is refreshed or closed, onbeforeunload is about to go to the server to read the new page when the call is not started, and OnUnload has read from the server to load the new page, Called when the current

This is part of the code that implements the structure pseudo class Type-of-type: [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform] Feel the effect is not high, to worry-free master

Today the side dishes handle Pull-down menu cascading problems, want to get the content of an event in the HTML tag, that is, the value, such as from get Javascript:test ();. Small dishes want to pass the information in the event to determine the

heap Heap value type Original type (primitive type) undefined:undefined (Note case: type/value, same below) Null:null (Undefined derived from null) Boolen:true/false Number:number.max_value/number.min_value/nan isNaN () function (note: Changes in