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

<h2>JavaScript Number 方法</h2>

<p>toString() 方法将数字转换为字符串。</p>

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

<script>
let x = 123;
document.getElementById("demo").innerHTML =
  x.toString() + "<br>" +
   (123).toString() + "<br>" +
   (100 + 23).toString();
</script>

</body>
</html>
运行结果: