Implementation steps: 1. Obtain the specified option element through the id attribute value. The syntax "$("#id value")" will return a jquery object containing the specified option element; 2. Use hide(), fadeOut() or slideUp() to hide the specified element, the syntax is "element object.hide();" or "element object.fadeOut();" or "element object.slideUp();".
The operating environment of this tutorial: windows7 system, jquery3.6.1 version, Dell G3 computer.
option element
The option element defines an option (an entry) in a drop-down list.
The browser displays the content in the
The option element is located inside the select element.
<select> <option value="目的地">目的地</option> <option value="温州">温州</option> <option value="永嘉">永嘉</option> <option value="北京">北京</option> </select>
An option in the drop-down list is an option element.
How to use jquery to hide option?
Implementation steps
Step 1: Get the specified option element through the id attribute value
$("#id值")
Will return a jquery object containing the specified option element
2. To hide the obtained element object
You can use hide(), fadeOut() or slideUp() Function to hide the specified element
$(selector).hide(speed,easing,callback) $(selector).fadeOut(speed,easing,callback) $(selector).slideUp(speed,easing,callback)
Example: Hide the specified option element
hide() implementation
<!DOCTYPE html> <html> <head> <script src="js/jquery-3.6.1.min.js"></script> </style> <script> $(document).ready(function() { $("button").click(function() { $("#start").hide(); }); }); </script> </head> <body> <select size="4"> <option value="目的地">目的地</option> <option value="温州">温州</option> <option id="start" value="永嘉">永嘉--需要隐藏</option> <option value="北京">北京</option> </select> <button>隐藏内容为“永嘉”的option元素</button> </body> </html>
- ##fadeOut() implementation
$(document).ready(function() { $("button").click(function() { $("#start").fadeOut(); }); });
- slideUp() implementation
$(document).ready(function() { $("button").click(function() { $("#start").slideUp(); }); });
jQuery video tutorial, web front-end video 】
The above is the detailed content of How to hide option in jquery. For more information, please follow other related articles on the PHP Chinese website!

React'slimitationsinclude:1)asteeplearningcurveduetoitsvastecosystem,2)SEOchallengeswithclient-siderendering,3)potentialperformanceissuesinlargeapplications,4)complexstatemanagementasappsgrow,and5)theneedtokeepupwithitsrapidevolution.Thesefactorsshou

Reactischallengingforbeginnersduetoitssteeplearningcurveandparadigmshifttocomponent-basedarchitecture.1)Startwithofficialdocumentationforasolidfoundation.2)UnderstandJSXandhowtoembedJavaScriptwithinit.3)Learntousefunctionalcomponentswithhooksforstate

ThecorechallengeingeneratingstableanduniquekeysfordynamiclistsinReactisensuringconsistentidentifiersacrossre-rendersforefficientDOMupdates.1)Usenaturalkeyswhenpossible,astheyarereliableifuniqueandstable.2)Generatesynthetickeysbasedonmultipleattribute

JavaScriptfatigueinReactismanageablewithstrategieslikejust-in-timelearningandcuratedinformationsources.1)Learnwhatyouneedwhenyouneedit,focusingonprojectrelevance.2)FollowkeyblogsliketheofficialReactblogandengagewithcommunitieslikeReactifluxonDiscordt

TotestReactcomponentsusingtheuseStatehook,useJestandReactTestingLibrarytosimulateinteractionsandverifystatechangesintheUI.1)Renderthecomponentandcheckinitialstate.2)Simulateuserinteractionslikeclicksorformsubmissions.3)Verifytheupdatedstatereflectsin

KeysinReactarecrucialforoptimizingperformancebyaidinginefficientlistupdates.1)Usekeystoidentifyandtracklistelements.2)Avoidusingarrayindicesaskeystopreventperformanceissues.3)Choosestableidentifierslikeitem.idtomaintaincomponentstateandimproveperform

Reactkeysareuniqueidentifiersusedwhenrenderingliststoimprovereconciliationefficiency.1)TheyhelpReacttrackchangesinlistitems,2)usingstableanduniqueidentifierslikeitemIDsisrecommended,3)avoidusingarrayindicesaskeystopreventissueswithreordering,and4)ens

UniquekeysarecrucialinReactforoptimizingrenderingandmaintainingcomponentstateintegrity.1)Useanaturaluniqueidentifierfromyourdataifavailable.2)Ifnonaturalidentifierexists,generateauniquekeyusingalibrarylikeuuid.3)Avoidusingarrayindicesaskeys,especiall


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

EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function

Notepad++7.3.1
Easy-to-use and free code editor

Atom editor mac version download
The most popular open source editor

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
