使用HTML中的id属性来添加元素的唯一标识。
您可以尝试运行以下代码来实现id属性−
<html>
<body>
<h1>Tutorialspoint</h1>
<p id = "myid">We provide Tutorials!</p>
<button onclick = "display()">More...</button>
<script>
function display() {
document.getElementById("myid").innerHTML = "We provide learning videos as well";
}
</script>
</body>
</html>
