汪星人陈达
2014-08-01 21:30
onscroll 一直触发检测 会不会影响性能
button.btn.btn-danger.del(type="button",data-id="#{item._id}")删除?list里面的button要写对
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不会,这个方法只会返回一个值,就想一个数组的length,属于常数级别的操作。
回到顶部效果
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