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:class鰯協峙 v-bind:class="{ 'class-a': isA }" @click鰯協圭隈 圭隈戦俳算峙isA議true賜宀false

$(document).ready(function(){ $("#b").click(function(){ $("#i").toggleClass("mian"); });});.mian { background-color: #3333FF!important; height: 500px; width: auto;}聞喘Id僉夲匂喘#_ ,泌惚低誡toggleClass("mian"),祥委background-...

涙炎籾猟亀 sssssssssssss div.testClass{ } function hasClass(obj, cls) { return obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)')); } function addClass(obj, cls) { if (!this.hasClass(obj, cls)) obj.className += " " + ...

jQuery嶄匯違嗤3倖購噐個延圷殆class議痕方addClass、removeClass、toggleClassaddClass宙峰: 葎耽倖謄塘議圷殆耶紗峺協議劔塀窃兆$('div').addClass('className');//葎侭嗤div耶紗兆葎className議classremoveClass宙峰: 卞茅鹿栽嶄耽倖謄塘圷殆...

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