摘要： 【eval】 1、只处理字符串 If the argument of eval() is not a string, eval() returns the argument unchanged. In the following example, the String constructor is 阅读全文

摘要： 【common mistake of closure in loops】 下例中item引用的始终是最后一个值。 function showHelp(help) { document.getElementById('help').innerHTML = help; } function setupH 阅读全文

摘要： 【Emulating private methods with closures】 JavaScript does not provide a native way of doing this, but it is possible to emulate private methods using 阅读全文