function srcoll(index,timer,speed) { var number=document.body.scrollTop-(lin_setFullHeight()*(index-1)) console.log('number',number) if(number>0){ document.body.scrollTop-=speed window.requestAnimationFrame(function () { srcoll(index,timer,speed) }); } if(number==0){ console.log("stop scrollling") window.cancelAnimationFrame(timer) } if(number<0){ document.body.scrollTop+=speed window.requestAnimationFrame(function () { srcoll(index,timer,speed) }); }}因为950-7-7这样减下去怎么样都不会等于0吧 为什么还是停下来了那个lin_setFullHeight()是950
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