HTML5 video speed controller and preferred speed adjustmen, increase video speed by 0.1 with'ctr+.'decrease video speed by 0.1 with 'ctrl+\'reset video speed with' ctrl+,'set video speed to 1.15 with 'ctrl+/' set video speed to 1.35 with' ctrl+:'set video speed to 1.65 with 'ctrl+]'
目前为
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