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| The following Javascript finds the highest z-index in the page and changes the | |
| background color to orange. | |
| What I'm trying to do is find the DOM element with the highest z-index. I have | |
| the following code, but I can't figure out how to do it without having the variable "high". | |
| Can you figure out a better way? | |
| Also, it doesn't seem to work in Safari. |
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| jQuery(document).ready(function($) { | |
| // not faster, but you loose the "pesky" high variable. | |
| var max = $.makeArray($('body > *')).sort(function(a, b){ | |
| return (parseInt($(b).css('z-index'), 10) || 1) | |
| - (parseInt($(a).css('z-index'), 10) || 1); | |
| }).shift(); | |
| $(max).css('background-color', 'orange'); | |
| }); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Highlight element with the highest z-index</title> | |
| <style type="text/css" media="screen"> | |
| #z1 {z-index:1;} | |
| #z2 {z-index:2;} | |
| #z3 {z-index:3;} | |
| #z4 {z-index:4;} | |
| #z5 {z-index:5;} | |
| #z6 {z-index:6;} | |
| #z7 {z-index:7;} | |
| #z8 {z-index:8;} | |
| #z9 {z-index:9;} | |
| #z10 {z-index:10;} | |
| #z11 {z-index:11;} | |
| #z12 {z-index:12;} | |
| #z13 {z-index:13;} | |
| div{width:100px;height:100px;border:1px solid orange;float:left;margin:10px;font-size: 5em;text-align: center;line-height: 1.4em;} | |
| </style> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js" type="text/javascript"></script> | |
| <script src="find_highest_z.js" type="text/javascript"></script> | |
| </head> | |
| <body> | |
| <div id="z8">8</div> | |
| <div id="z10">10</div> | |
| <div id="z3">3</div> | |
| <div id="z1">1</div> | |
| <div id="z7">7</div> | |
| <div id="z4">4</div> | |
| <div id="z12">12</div> | |
| <div id="z13">13</div> | |
| <div id="z6">6</div> | |
| <div id="z9">9</div> | |
| <div id="z11">11</div> | |
| <div id="z2">2</div> | |
| <div id="z5">5</div> | |
| </body> | |
| </html> |
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