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Code display area automatically lengthened effect based on jquery_jquery

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Release： 2016-05-16 17:58:35

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The following is the implementation code of jquery:

Copy the code The code is as follows:

 
$(document). ready(function(){ 

$('pre').hover( 
function(){ 
if($(this).width()==520){ 
$ (this).animate({width:'800'},400); 
$(this).css({border:'1px solid #2B99E6'}); 
} 
}, 
function(){ 
if($(this).width()==800){ 
$(this).animate({width:'520'},400); 
$(this ).css({border:'1px solid #555555'}); 
} 
} 
); 

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