In HTML, focus means "focus". The focus() method is used to set focus for an element. The syntax is "HTMLElementObject.focus()"; the focus of an element set by the focus() method can be Removed through the blur() method.
The operating environment of this tutorial: windows10 system, html5&&javascript version 1.8.5, Dell G3 computer.
#What is the usage of focus in html
The focus() method is used to set focus for an element (if it can be set).
The syntax is:
HTMLElementObject.focus()
The example is as follows:
<html>
<head>
<meta charset="utf-8">
<title>123</title>
</head>
<body>
<input type="text" id="myText" value="文本域">
<p>点击按钮设置或移除以上文本域的焦点。</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("myText").focus();
}
function losefocus() {
document.getElementById("myText").blur();
}
</script>
</body>
</html>Output result:
Recommended tutorial: "html video tutorial"
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