if(oTimer[this.index])if(aTimer[this.miaovIndex]){clearTimeout(aTimer[this.miaovIndex]);}里面的if判断是什么意思

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if(oTimer[this.index])if(aTimer[this.miaovIndex]){clearTimeout(aTimer[this.miaovIndex]);}里面的if判断是什么意

if(oTimer[this.index])if(aTimer[this.miaovIndex]){clearTimeout(aTimer[this.miaovIndex]);}里面的if判断是什么意思
if(oTimer[this.index])
if(aTimer[this.miaovIndex])
{
clearTimeout(aTimer[this.miaovIndex]);
}
里面的if判断是什么意思

if(oTimer[this.index])if(aTimer[this.miaovIndex]){clearTimeout(aTimer[this.miaovIndex]);}里面的if判断是什么意思
应该是定义了很多个定时器,放到了aTimer的数组中.
判断,如果该数组中的当前定时器启动/存在,就干掉它!

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