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如题，每次点击提交按钮numFunded都会跟着变化，现在想计算numFunded占numTotal的百分比，用进度条显示出来。但是计算出来的percentage都是0，想问大家代码错在哪里，怎么改呢？谢谢
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看你代码，累的眼疼～
解决方案：把函数里面最后一句话
var percentage=......的var去掉就可以啦。理由：函数内声明变量，导致内部变量覆盖外部变量。