jquery - paragraph Select() doesn't work in javascript -

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here html code

<div id="dialog" title="basic dialog" style="display: none">   <p id="para">copy key</p>     <p id="key">4567887654345678</p> </div>  <button>open dialog</button>

the div appears dialog on button click, , have

"key" text selected when dialog opens

here javascript same, < p> doesn't appear selected

$(function() {     $( "button" ).click(function() {       $("#dialog" ).dialog();         $( "#dialog" ).show( "slow" );                 $("#key").select();   });     });

how can make < p> pre-selected ?

change key paragraph editable element, such textarea:

<textarea id="key">4567887654345678</textarea>

jsfiddle

it appears need editable text field select text in.


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