Disable double-click selection

HTML

<div id="demo">
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</div>

JavaScript

// set to true if you want to disable also the triple click event (or see the shorter version below)
// works in Chrome, always disabled in IE11
var disable_triple_click = true;

// set a global var to save the timestamp of the last mousedown
var down = new Date().getTime();
var old_down = down;

jQuery(document).ready(function($)
{
    $('#demo').on('mousedown', function(e)
    {
        var time = new Date().getTime();
        
        if((time - down) < 500 && 
        (disable_triple_click || (down - old_down) > 500))
        {
            old_down = down;
            down = time;
            
            e.preventDefault(); // just in case
            return false; // mandatory
        }
        
        old_down = down;
        down = time;
    });
});

/*
// shorter version if you always want to disable the triple click event

var down = new Date().getTime();

jQuery(document).ready(function($)
{
    $('#demo').on('mousedown', function(e)
    {
        var time = new Date().getTime();
        
        if((time - down) < 500)
        {
            down = time;
            
            e.preventDefault(); // just in case
            return false; // mandatory
        }
        down = time;
    });
});
*/