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

<h2>JavaScript String() 方法</h2>

<p>String() 方法把数字转换为字符串。</p>

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

<script>
var x = 123;
document.getElementById("demo").innerHTML =
  String(x) + "<br>" +
  String(123) + "<br>" +
  String(100 + 23);
</script>
</body>
</html>
运行结果: