javascript - jQuery select on div content -

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I am creating a small text editor, and for this, I would like the same effect when a user selects some text here Will:

I was thinking about using the jQuery selection event, but I can not seem to work on the same divs on the input field itself. 

  & lt ;! - - & lt; Input type = "text" class = "writing area" value = "foo bar" & gt; - & gt; & Lt; Div class = "writing area" & gt; Foo bar & lt; / Div & gt; & Lt; Script & gt; $ ("Writing area"). Select (function () {warning ("text marked!");}); & Lt; / Script & gt;   
 You can see a demo here: Sophisticated HTML works just fine, but the DV version does not.  
 What am I doing wrong? Select can not be used on Divs?   
 
 
 For the MDN reference, say that the HTML5 device only selects the defined input and the event for the software.

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