selected = $('#para-1'); selected = $('.color-red.color-green'); selected = $('.color-red'); selected = $('[class^="color-"]'); selected = $('input[name=name]'); selected = $('[name=email],input[name=name]');
点击Run出现除了变色外没有啥反应!!!
Run
看变色的对不对就行
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恶魔的证明
点击
Run
出现除了变色外没有啥反应!!!