页面缩放触发js事件

作者:

<script>

    function devicepix(){
        let currentPixelRatio = window.devicePixelRatio;

        if (currentPixelRatio !== lastPixelRatio) {
            console.log('页面缩放变化了');
        }

        lastPixelRatio = currentPixelRatio;
        console.log(lastPixelRatio)
    }


    let lastPixelRatio = window.devicePixelRatio;
    window.addEventListener('resize', devicepix);

    devicepix()
</script>