- - - + + { + let duration = parseInt(_effectDuration / 1000); + duration = Math.max(0, --duration); + _effectDuration = duration * 1000; + props.changeDuration(_effectDuration); + }}>- + { + let duration = parseInt(_effectDuration / 1000); + duration = Math.min(300, ++duration); + _effectDuration = duration * 1000; + props.changeDuration(_effectDuration); + }}>+