Prevent clicking a link if scroll on mobile

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渐次进展 2020-12-20 15:55

I have long vertical list of links that user can scroll through, and I need to prevent triggering a click event (touch) on this links if user scrolls.

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  • 2020-12-20 16:13

    Working fiddle

    We could use a flag in this case to prevent click event just during the scroll and enable it after the scroll stop.

    To listen on scroll stop you could use jQuery’s data method that gives us the ability to associate arbitrary data with DOM nodes and using setTimeout() function that will check every 250ms if the user still trigger the scroll, and if not it will change the flag :

    var disable_click_flag = false;
    
    $(window).scroll(function() {
        disable_click_flag = true;
    
        clearTimeout($.data(this, 'scrollTimer'));
    
        $.data(this, 'scrollTimer', setTimeout(function() {
            disable_click_flag = false;
        }, 250));
    });
    
    $("body").on("click", "a", function(e) {
        if( disable_click_flag ){
            e.preventDefault();
        }
    });
    

    Hope this helps.

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