javascript Select Text on click

selection.js

function SelectText(element) {
    var doc = document
        , text = doc.getElementById(element)
        , range, selection
    ;    
    if (doc.body.createTextRange) {
        range = document.body.createTextRange();
        range.moveToElementText(text);
        range.select();
    } else if (window.getSelection) {
        selection = window.getSelection();        
        range = document.createRange();
        range.selectNodeContents(text);
        selection.removeAllRanges();
        selection.addRange(range);
    }
}

$(function() {
    $('#conf_detail').on( 'click', 'code', function(){
        SelectText($(this).attr('id'));
    });
});