$ (obj). The difference between index (this) and (this). Index ()

Source: Internet
Author: User

<div id= "NAV" >

JavaScript section introduces JavaScript first


$ (obj). Index (this) selects the subscript based on the object; index () is based on the subscript of all elements of this sibling;

$ ("B"). Click (function () {

var num = $ ("B"). index (this);

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

alert (num);

alert (Index);

Then the first pop-up 0 and then pop 2, click the last B first pop 1 and then pop 3;



$ (obj). The difference between index (this) and (this). Index ()

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