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How to change input attributes in jquery

青灯夜游

Release： 2022-05-16 15:41:08

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Method: 1. Use attr(), the syntax "$("input").attr("Attribute name", "Attribute value")" to add the specified attribute or set the specified attribute to a new value ; 2. Use removeAttr(), the syntax "$("input").removeAttr("attribute name")" to delete the attribute.

How to change input attributes in jquery

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

In jquery, you can change the attributes of a specified element by modifying the attribute value or removing the attribute. Let’s take a closer look below.

1. Use attr() to modify the attribute value

attr() method can set the attribute value of the selected element.

The specified attribute can be set to a new value
When there is no specified attribute, the attribute can be added

Example: Modify the input type attribute and change the text box to a time box

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script>
			$(document).ready(function() {
				$("button").click(function() {
					$("input").attr("type","date");
				});
			});
		</script>
	</head>

	<body class="ancestors">
		<input type="text" value="John">
		<br><br>
		<button>修改input属性</button>
		<p>修改input type属性，将文本框改为时间框</p>
	</body>

</html>

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How to change input attributes in jquery

2. Use removeAttr() to delete the attribute

removeAttr() method removes attributes from selected elements.

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script>
			$(document).ready(function() {
				$("button").click(function() {
					$("input").removeAttr("value");
				});
			});
		</script>
	</head>

	<body class="ancestors">
		<input type="text" value="John">
		<br><br>
		<button>修改input属性</button>
		<p>删除input value属性，清空输入框</p>
	</body>

</html>

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How to change input attributes in jquery

[Recommended learning: jQuery video tutorial, web front-end video】

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