JavaScript Date.@@toPrimitive() 函数


JavaScript date.@@toPrimitive() 函数将日期对象转换为基本值。

以下是 JavaScript 中的日期格式代码 -

范例

 现场演示

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
   font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.sample {
   font-size: 18px;
   font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript date.@@toPrimitive() functiont</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to see the date as primitive value</h3>
<script>
let fillEle = document.querySelector(".sample");
let date = new Date();
let primitiveDef = date[Symbol.toPrimitive]("default");
let primitiveNum = date[Symbol.toPrimitive]("number");
document.querySelector(".Btn").addEventListener("click", () => {
   fillEle.innerHTML += "Hint = default :" + primitiveDef + "<br>";
   fillEle.innerHTML += "Hint = number :" + primitiveNum;
});
</script>
</body>
</html>

输出

点击“单击此处”按钮 -

更新于:2020 年 5 月 6 日

55 次浏览

启动您的 事业

完成课程以获得认证

开始
广告