【抜粋】一部省略 Object.extend(String.prototype, { stripTags: function() { return this.replace(/<\/?[^>]+>/gi, ''); }, (省略) inspect: function() { return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'"; } });既存Stringクラスに…

【抜粋】 function $() { var elements = new Array(); for (var i = 0; i < arguments.length; i++) { var element = arguments[i]; if (typeof element == 'string') element = document.getElementById(element); if (arguments.length == 1) return elem…