jQuery XSS patch

jquery_xss_patch.js

(function(){
    jQuery.fn.__init = jQuery.fn.init;
    var old_expr = /^(?:[^<]*(<[\w\W]+>)[^>]*$)/;
    var strict_expr = /^\s*</;
    jQuery.fn.init = function(selector, context, rootjQuery){
        if (typeof selector === "string") {
            // console.log(selector);
            if (old_expr.test(selector) && !strict_expr.test(selector)) {
                throw 'Syntax error, html string must start with "<"';
            }
        }
        return new jQuery.fn.__init(selector, context, rootjQuery);
    };
})();