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.
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>
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>
[Recommended learning: jQuery video tutorial, web front-end video】
The above is the detailed content of How to change input attributes in jquery. For more information, please follow other related articles on the PHP Chinese website!
CSS: Understanding the Difference Between Class and ID SelectorsMay 09, 2025 pm 06:13 PMClassselectorsarereusableformultipleelements,whileIDselectorsareuniqueandusedonceperpage.1)Classes,denotedbyaperiod(.),areidealforstylingmultipleelementslikebuttons.2)IDs,denotedbyahash(#),areperfectforuniqueelementslikeanavigationmenu.3)IDshavehighe
CSS Styling: Choosing Between Class and ID SelectorsMay 09, 2025 pm 06:09 PMIn CSS style, the class selector or ID selector should be selected according to the project requirements: 1) The class selector is suitable for reuse and is suitable for the same style of multiple elements; 2) The ID selector is suitable for unique elements and has higher priority, but should be used with caution to avoid maintenance difficulties.
HTML5: LimitationsMay 09, 2025 pm 05:57 PMHTML5hasseverallimitationsincludinglackofsupportforadvancedgraphics,basicformvalidation,cross-browsercompatibilityissues,performanceimpacts,andsecurityconcerns.1)Forcomplexgraphics,HTML5'scanvasisinsufficient,requiringlibrarieslikeWebGLorThree.js.2)I
CSS: Is one style more priority than another?May 09, 2025 pm 05:33 PMYes,onestylecanhavemoreprioritythananotherinCSSduetospecificityandthecascade.1)Specificityactsasascoringsystemwheremorespecificselectorshavehigherpriority.2)Thecascadedeterminesstyleapplicationorder,withlaterrulesoverridingearlieronesofequalspecifici
What are the significant goals of the HTML5 specification?May 09, 2025 pm 05:25 PMThesignificantgoalsofHTML5aretoenhancemultimediasupport,ensurehumanreadability,maintainconsistencyacrossdevices,andensurebackwardcompatibility.1)HTML5improvesmultimediawithnativeelementslikeand.2)ItusessemanticelementsforbetterreadabilityandSEO.3)Its
What are the limitations of React?May 02, 2025 am 12:26 AMReact'slimitationsinclude:1)asteeplearningcurveduetoitsvastecosystem,2)SEOchallengeswithclient-siderendering,3)potentialperformanceissuesinlargeapplications,4)complexstatemanagementasappsgrow,and5)theneedtokeepupwithitsrapidevolution.Thesefactorsshou
React's Learning Curve: Challenges for New DevelopersMay 02, 2025 am 12:24 AMReactischallengingforbeginnersduetoitssteeplearningcurveandparadigmshifttocomponent-basedarchitecture.1)Startwithofficialdocumentationforasolidfoundation.2)UnderstandJSXandhowtoembedJavaScriptwithinit.3)Learntousefunctionalcomponentswithhooksforstate
Generating Stable and Unique Keys for Dynamic Lists in ReactMay 02, 2025 am 12:22 AMThecorechallengeingeneratingstableanduniquekeysfordynamiclistsinReactisensuringconsistentidentifiersacrossre-rendersforefficientDOMupdates.1)Usenaturalkeyswhenpossible,astheyarereliableifuniqueandstable.2)Generatesynthetickeysbasedonmultipleattribute
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Dreamweaver Mac version
Visual web development tools
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
SublimeText3 Chinese version
Chinese version, very easy to use
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
