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What does focus mean in javascript

WBOYOriginal: 2022-01-28 14:37:046465browse

In JavaScript, focus means "focus". The focus() method can be used to set focus for an element, and the syntax is "HTMLElementObject.focus()".

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

What does focus mean in javascript

The focus() method is used to set focus for an element (if it can be set).

Tip: Use the blur() method to remove element focus.

The syntax is:

HTMLElementObject.focus()

The example is as follows:

<!DOCTYPE html>
<html>
<head>
<style>
a:focus, a:active {
    color: green;
}
</style>
</head>
<body>

<a id="myAnchor" href="//www.php.cn">获取焦点</a>

<p>点击按钮设置或移除以上链接的焦点。</p>

<input type="button" onclick="getfocus()" value="获取焦点">
<input type="button" onclick="losefocus()" value="移除焦点">

<script>
function getfocus() {
    document.getElementById("myAnchor").focus();
}

function losefocus() {
    document.getElementById("myAnchor").blur();
}
</script>

</body>
</html>

Output result:

What does focus mean in javascript

Related recommendations: javascript learning tutorial

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