Touchmove

let mobDisplacement = (event) => {
    if (event.targetTouches.length == 1){
        let touch = event.targetTouches[0];
        console.log(touch.pageX);
    }
}

let startPoint = 0, endPoint = 0, flag = true;
const mobDisplacement = (event) => {
    if (event.targetTouches.length == 1){
        let touch = event.targetTouches[0];
        if(flag){
            startPoint = touch.pageX;
            flag = false;
        }
        endPoint = touch.pageX;
    }
    //определяем движение вправо или влево
    if((endPoint - startPoint) > 0)
        console.log('+++++');
    else
        console.log('-----');
}
preview.addEventListener('touchmove', mobDisplacement);

let beginCoordinates = 0;
 
function move(e){
    if(e.targetTouches[0].pageX > beginCoordinates)
        console.log('Вправо');
    else
        console.log('Влево');
}
 
document.addEventListener('touchstart', e => beginCoordinates = e.targetTouches[0].pageX );
document.addEventListener('touchmove', move);

let coord = 0;
 
function move(e){
    if(e.targetTouches[0].pageX > coord)
        console.log('+++++');
    else
        console.log('-----');
    coord = e.targetTouches[0].pageX;
}
 
document.addEventListener('touchmove', move);