//selected = $('#para-1'); //selected = $('[class="color-red color-green"]'); //selected = $('p.color-red'); var s = $('[class^="color-"]'); selected=s.slice(0, 4); //selected = $('input[name=name]'); //selected = $('input[name=name],input[name=email]');
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单手虐学霸
//selected = $('#para-1'); //selected = $('[class="color-red color-green"]'); //selected = $('p.color-red'); var s = $('[class^="color-"]'); selected=s.slice(0, 4); //selected = $('input[name=name]'); //selected = $('input[name=name],input[name=email]');