代码示例:(标识:eg_js_es5_string_prop)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 字符串方法</h1>

<p>ECMAScript 5 字符串的属性访问:</p>

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

<script>
var str = "HELLO WORLD";
document.getElementById("demo").innerHTML = str[0];
</script>
</body>
</html>
运行结果: