Video: Puas yog jQuery ua hauv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov lus siv: JavaScript
Kuj paub yog, yog jQuery Tuag 2019?
Tsis yog, tsis yog. Nws tseem ciaj sia vim nws tseem nyob ntawm ntau lub vev xaib thiab plugins. Tab sis qhov sib txawv yog poob. Tsis tas li ntawd, hauv 2019 , JQuery Nws tsis yog qhov tsim nyog vim tias Javascript browser txhawb nqa zoo ib yam li yav dhau los.
Ib tug kuj yuav nug, yog jQuery qub? Lub tsev qiv ntawv JavaScript nrov tshaj plaws, jQuery , yog tam sim no 10 xyoo laus . jQuery , lub tsev qiv ntawv JavaScript txhua tus nyiam ntxub, tau dhau kaum xyoo laus hnub no. Lub tsev qiv ntawv tau tshaj tawm thawj zaug hauv 2006 los ntawm John Resig, ntawm BarCamp hauv New York City, ua ib qho haujlwm uas nws tau ua haujlwm hauv tsev kawm qib siab.
Tib neeg kuj nug, nws puas tsim nyog kawm jQuery hauv 2019?
JQuery tsis yog qhov tsim nyog hauv 2019 vim tias qhov kev txhawb nqa browser rau Javascript yog qhov sib npaug ntau dua li puas tau. Yog li, koj yuav tsum kawm Jquery yog koj tsis paub? Yog, tshwj xeeb tshaj yog tias koj nyob rau hauv ib tug tsis ntseeg hais tias yuav kawm nws los tsis yog. Nws yog ib lub tsev qiv ntawv yooj yim thiab zoo nkauj yam tsis muaj ntau kev kawm nkhaus.
Puas yog jQuery yog API?
jQuery API . jQuery yog lub tsev qiv ntawv JavaScript ceev, me me, thiab muaj txiaj ntsig zoo. Nws ua rau tej yam xws li HTML ntaub ntawv traversal thiab manipulation, kev tshwm sim tuav, animation, thiab Ajax ntau yooj yim nrog ib qho yooj yim-rau-siv API uas ua haujlwm thoob plaws ntau ntawm browsers.
Pom zoo:
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Yuav ua li cas koj nrhiav tau checkbox yog check los yog tsis nyob rau hauv jQuery?
Siv cov jQuery: checked Selector $('input[type='checkbox']'). click(function(){if($(this). is(':checked')){alert('Checkbox is checked.');} else if($(this). is(':not(:checked) ')){alert('Checkbox is unchecked.');}