Select text with Javascript

select.js

codeElements = document.getElementsByTagName('code');

for (var i = codeElements.length; i--;) {
	codeElements[i].onclick = function() {
		var range;
		if (document.selection) {
			range = document.body.createTextRange();
			range.moveToElementText(this);
			range.select();
		}
		else if (window.getSelection) {
			range = document.createRange();
			range.selectNode(this);
			window.getSelection().addRange(range);
		}
	};
}