> 表单验证 - [Validate decimal numbers in JavaScript - IsNumeric()](http://stackoverflow.com/questions/18082/validate-decimal-numbers-in-javascript-isnumeric) - [Validate email address in JavaScript?](http://stackoverflow.com/questions/46155/validate-email-address-in-javascript) - [Using a regular expression to validate an email address](http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address) > URL - [URL matrix parameters vs. request parameters](http://stackoverflow.com/questions/2048121/url-matrix-parameters-vs-request-parameters) 查询参数 vs 矩阵参数 > DOM - [Creating a new DOM element from an HTML string using built-in DOM methods or prototype](http://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro)\ > CSS - [How can I transition height: 0; to height: auto; using CSS?](http://stackoverflow.com/questions/3508605/how-can-i-transition-height-0-to-height-auto-using-css)