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作业

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老牙背的风

#1 Created at ... [Delete] [Delete and Lock User] 
    var js = div.find('.js>span')
    //css()方法
    js.css('color', '#dd1144').css('background-color', '#ffd351')

    //addClass()方法
    js.addClass('highlight');

灰_手

#2 Created at ... [Delete] [Delete and Lock User] 
div.find('.js>span').css('background-color', '#ffd351').css('color', 'red');
div.find('.js>span').addClass('highlight')
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