html运行实例（eg_js_best_object_string

代码示例：（标识：eg_js_best_object_string_1）

<!DOCTYPE html>
<html>
<body>

<p>切勿将字符串创建为对象。</p>

<p>字符串和对象无法安全地进行比较。</p>

<p id="demo"></p>

<script>
var x = "Bill";        // x 是字符串
var y = new String("Bill");  // y 是对象
document.getElementById("demo").innerHTML = x===y;
</script>

</body>
</html>