View webpage source using javascript

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<form action="#" onsubmit="return getsource();">

<input type="submit" value="View Source!" />

</form>

<script type="text/javascript" >

function getsource()

{

var thesource= "view-source:" + window.location;

window.open(thesource, 'source_code', 'width=400, height=400, resizable=1, scrollbars=1');

return false;

}
</script>


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