JavaScript

1.JAVASCRIPT Reference, the character language used is inconsistent. For example:

You can try to press the left mouse button, and then drag and drop a square after the release, see the effect simple xhtml page [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]

Use examples: Copy Code code as follows: var qs = new QueryString (query); Qs.set ("Ajaxids", IDS) Qs.set ("Ajaxsn", New Date ()) query = Qs.tostr (); You can also call continuously: Copy Code code as follows:

Window object The Window object represents the entire browser window, and Windows can also be used to move or resize the browser it represents. One, window operation Window.moveby (Dx,dy) Moves the dx pixel horizontally in the browser window

One, what is event bubblingTriggers a class of events (such as clicking the OnClick event) on an object. If this object defines a handler for this event, this event invokes the handler, and if no such event handler is defined or the event returns

Binding events Copy Code code as follows: var addevent = function (obj, type, fn) { if (Obj.addeventlistener) Obj.addeventlistener (Type, FN, false); else if (obj.attachevent) { obj["E" +type+fn] = fn; Obj.attachevent ("On"

KeyDown: Occurs when the key is pressed while the control has focus. KeyPress: Occurs when the key is pressed while the control has focus. KeyUp: Occurs when a key is released while the control has focus. 1, KeyPress mainly used to receive letters,

Because in JavaScript, the MouseDown, MouseUp, click Execution Order is left to right, and more importantly once the MouseDown event is activated, the normal (not bound in the MouseDown event method uses alert similar methods, The next two events

VRML report 20% 25% 40% 50% 75% 80% Original size 125% 150% 200% 400% [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]

The space is all based on the absolute positioning of the CSS to achieve displacement. Before we begin, let's practice the recursive use of settimeout (to simulate setinterval). Copy Code code as follows: function text (EL) { var

dom dynamically deletes table multiple lines 2 3 First line 1 second line 2 Third line 3 Line Fourth 4 Line Fifth 5 ;/body> [Ctrl + A All SELECT Note: If the need to introduce external JS need to

There's a pretty interesting question today, because the company has a relationship with some manufacturers, therefore, both sides of the Web site will also exchange links, when today's contract is terminated, but the other side has always been not

&& and | | In the jquery source code is particularly widely used, because I do not have the system to learn JS, so only a cursory understanding of the self, I hope we can guide. A rough understanding is as follows: A () && B (): If True after a ()

In the modal page of the nth (n>1) layer, if you want to link to another page or refresh the current page, use only the Window.name = "__self"; window.open (Window.location.href, "__self")//note is 2 underline Replace Location.href When you need to

Local objects ①array class ②date class object's type Built-in object ①global objects ②math objects Host Object Today continue to learn the objects in JS, the built-in object global object and the Math object yesterday, continue today. Host

Two custom implementations of the string and the array of conversion of the JS function, hope to be useful to everyone: Copy Code code as follows: function StringToArray (STR,SUBSTR) { /* Function function: strings are converted to

JavaScript refreshes the page in several ways: 1 history.go (0) 2 Location.reload () 3 location=location 4 Location.assign (location) 5 Document.execcommand (' Refresh ') 6 Window.navigate (location) 7 Location.replace (location) 8 document.

[Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform] The main use of this code, the cloud-Habitat community has previously published similar articles. Copy Code code as follows: Function

I'm test, I'm going to be highlight. We are JavaScript, we are JavaScript [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]

One. Three array replication methods 1. by slice var arr = [1, 2, 3], Copyarr; Copyarr = Arr.slice (); 2. by concat var arr = [1, 2, 3], Copyarr; Copyarr = Arr.concat (); 3. by Loop var arr = [1, 2, 3], Copyarr = []; for (Var i=0,