The common code of JQ collected online

1. Set the features specific to IE:

if ($.browser.msie) {

Do something ...

}

2. Use jquery instead of an element:

$ (' #thatdiv '). ReplaceWith (' Fnuh ');

3. Find the index number of an element from an unordered collection:

$ ("ul > Li"). Click (function () {

var index = $ (this). Prevall (). length;

　　});

4. When creating an element, use the object literal (literal) to define the property:

var e = $ ("", {href: "#", Class: "A-class Another-class", Title: "..."});

5. use jquery to preload the image:

() {        i = 0; i < arguments.length; i++) {            $ (", arguments[i ]);        }    };

Usage $.preloadimages (' image1.gif ', '/path/to/image2.png ', ' some/image3.jpg ');

6. Set up event handlers for any element that matches the selector:

() {        $ (this). Toggleclass ("hover");
});

7. Find an OPTION element that has been selected:

$ (' #someElement '). Find (' option:selected ');

8. Hides an element that contains the text of a value:

$ ("P.value:contains (' Thetextvalue ')"). Hide ();

9. Automatically scroll to an area in the page:

JQuery.fn.autoscroll = function (selector) {$ (' html,body '). Animate ({scrolltop: $ (this). Offset (). Top},500) ;}

$ ('. Area_name '). AutoScroll ();

testing various browsers:

if ($.browser.safari)//Detect Safari

if ($.browser.msie && $.browser.version > 6)//Detect IE6 and later versions

if ($.browser.msie && $.browser.version <= 6)//Detect IE6 and previous version

　　if ($.browser.mozilla && $.browser.version > ' 1.8 ')//Detect Firefox2 and later versions

11. Replace the words in the string:

var el = $ (' #id '); El.html (el.html (). Replace (/word/ig, "));

12. Disable the right-click context menu:

　　$ (document). Bind (' ContextMenu ', function (e) {

return false;

});

13. Check if an element exists:

if ($ (' #someDiv '). Length) {

Exist

}

14. Use jquery to detect both right and left mouse clicks:

$ ("#someelement"). Live (' click ', Function (e) {

((!$.browser.msie && E.button = = 0) | | ($.browser.msie && E.button = = 1)) {    alert ("Left Mouse button Clicked");     (E.button = = 2) {       alert ("Right Mouse button Clicked");}    );

The common code of JQ collected online