代码示例:(标识:js_json_stringify_2019)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript JSON</h1>

<h2>重新修订的 stringify()</h2>

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

<script>
let text = JSON.stringify("\u26D4");
document.getElementById("demo").innerHTML = JSON.parse(text);
</script>

</body>
</html>
运行结果: