When a set of elements is obtained, why doesn’t it work like this? I remember there was a similar way of writing it before? ? -PHP Chinese website Q&A-When a set of elements is obtained, why can't it be written like this? I remember that there was a similar way of writing it before? ? -PHP Chinese website Q&A
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When a set of elements is obtained, why doesn’t it work like this? I remember there was a similar way of writing it before? ? -PHP Chinese website Q&A-When a set of elements is obtained, why can't it be written like this? I remember that there was a similar way of writing it before? ? -PHP Chinese website Q&A
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Okay, but the settings are all a single color red.
$("li").each(function(index, element) { if (index % 2) { $(this).css('color','blue') } })这里是2的倍数你可以用奇偶解决，可如果是3的倍数呢，如果，要按彩虹色呢，1，4，7红色，2，5，8蓝色，3，6,9黑色，或者别的，