jQuery:Select a text range (input/textarea)

select-text-range.js

//USE CASE
$('#q').selectRange();
$('#q').selectRange(0, 10);
$('#q').selectRange(searchVal.indexOf('{'), (searchVal.indexOf('}')+1));

$.fn.selectRange = function(start, end) {
    if (!start || !end) {
        start = 0;
        end = 9999;
    }
    
    $(this).each(function() {
        var el = $(this)[0];

        if (el) {
            el.focus();
            
            if (el.setSelectionRange) {
                el.setSelectionRange(start, end);
                
            } else if (el.createTextRange) {
                var range = el.createTextRange();
                range.collapse(true);
                range.moveEnd('character', end);
                range.moveStart('character', start);
                range.select();
                
            } else if (el.selectionStart) {
                el.selectionStart = start;
                el.selectionEnd = end;
            
            } else {
                el.select();
            }
        }
    });
};