The method of realizing the buffering motion effect of JS

Source: Internet
Author: User

The specific analysis is as follows:

The instance can be implemented quickly at first and then slow down until the effect stops.


1 var speed = (target-box.offsetleft)/8;

The target point minus the current position of the element is divided by 8 because the value of the offsetleft is always getting bigger, so the value of the velocity is always smaller.

1 Speed = speed>0? Math.ceil (Speed): Math.floor (speed);

The forward speed is rounded up, and the reverse speed is rounded down.


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