Hide and Tel

hide-and-tel.js

(function() {
	var links = document.getElementsByTagName( "a" );

	for ( var i = 0, a = links.length; i < a; i++ ) {
		if( links[ i ].href.indexOf( "tel" ) > -1 ) {
			var el = links[ i ],
				parent = el.parentNode,
				num = document.createTextNode( el.innerHTML );

			if( el.className.indexOf( "tel" ) === -1 || !parent.className.indexOf( "tel" ) === -1 ) {
				parent.replaceChild( num, el );
			}
		}
	}
})();