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  • Disable slider from ratchet

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    If u are using ratchet.js to slider many images and you want to destroy browser method when we drag/touch page to left .It will turn to next tab . If you want to click an element button than trigger the 'slider' method.. so it is best if you use something like this for the slider.

    !(function () {
      'use strict';
    
      var pageX;
      var pageY;
      var slider;
      var deltaX;
      var deltaY;
      var offsetX;
      var lastSlide;
      var startTime;
      var resistance;
      var sliderWidth;
      var slideNumber;
      var isScrolling;
      var scrollableArea;
      var startedMoving;
    
      var transformPrefix   = window.RATCHET.getBrowserCapabilities.prefix;
      var transformProperty = window.RATCHET.getBrowserCapabilities.transform;
    
      var getSlider = function (target) {
        var i;
        var sliders = document.querySelectorAll('.slider > .slide-group');
    
        for (; target && target !== document; target = target.parentNode) {
          for (i = sliders.length; i--;) {
            if (sliders[i] === target) {
              return target;
            }
          }
        }
      };
    
      var getScroll = function () {
        var translate3d = slider.style[transformProperty].match(/translate3d\(([^,]*)/);
        var ret = translate3d ? translate3d[1] : 0;
        return parseInt(ret, 10);
      };
    
      var setSlideNumber = function (offset) {
        var round = offset ? (deltaX < 0 ? 'ceil' : 'floor') : 'round';
        slideNumber = Math[round](getScroll() / (scrollableArea / slider.children.length));
        slideNumber += offset;
        slideNumber = Math.min(slideNumber, 0);
        slideNumber = Math.max(-(slider.children.length - 1), slideNumber);
      };
    
      var onTouchStart = function (e) {
        slider = getSlider(e.target);
    
        if (!slider) {
          return;
        }
    
        var firstItem  = slider.querySelector('.slide');
    
        scrollableArea = firstItem.offsetWidth * slider.children.length;
        isScrolling    = undefined;
        sliderWidth    = slider.offsetWidth;
        resistance     = 1;
        lastSlide      = -(slider.children.length - 1);
        startTime      = +new Date();
        pageX          = e.touches[0].pageX;
        pageY          = e.touches[0].pageY;
        deltaX         = 0;
        deltaY         = 0;
    
        setSlideNumber(0);
    
        slider.style[transformPrefix + 'transition-duration'] = 0;
      };
    
      var onTouchMove = function (e) {
        if (e.touches.length > 1 || !slider) {
          return; // Exit if a pinch || no slider
        }
    
        // adjust the starting position if we just started to avoid jumpage
        if (!startedMoving) {
          pageX += (e.touches[0].pageX - pageX) - 1;
        }
    
        deltaX = e.touches[0].pageX - pageX;
        deltaY = e.touches[0].pageY - pageY;
        pageX  = e.touches[0].pageX;
        pageY  = e.touches[0].pageY;
    
        if (typeof isScrolling === 'undefined' && startedMoving) {
          isScrolling = Math.abs(deltaY) > Math.abs(deltaX);
        }
    
        if (isScrolling) {
          return;
        }
    
        offsetX = (deltaX / resistance) + getScroll();
    
        e.preventDefault();
    
        resistance = slideNumber === 0         && deltaX > 0 ? (pageX / sliderWidth) + 1.25 :
                     slideNumber === lastSlide && deltaX < 0 ? (Math.abs(pageX) / sliderWidth) + 1.25 : 1;
    
        slider.style[transformProperty] = 'translate3d(' + offsetX + 'px,0,0)';
    
        // started moving
        startedMoving = true;
      };
    
      var onTouchEnd = function (e) {
        if (!slider || isScrolling) {
          return;
        }
    
        // we're done moving
        startedMoving = false;
    
        setSlideNumber((+new Date()) - startTime < 1000 && Math.abs(deltaX) > 15 ? (deltaX < 0 ? -1 : 1) : 0);
    
        offsetX = slideNumber * sliderWidth;
    
        slider.style[transformPrefix + 'transition-duration'] = '.2s';
        slider.style[transformProperty] = 'translate3d(' + offsetX + 'px,0,0)';
    
        e = new CustomEvent('slide', {
          detail: { slideNumber: Math.abs(slideNumber) },
          bubbles: true,
          cancelable: true
        });
    
        slider.parentNode.dispatchEvent(e);
      };
    
      window.addEventListener('touchstart', onTouchStart);
      window.addEventListener('touchmove', onTouchMove);
      window.addEventListener('touchend', onTouchEnd);
    
    }());
    

    Refrence

    Visit the link below for full code reference

    Here is the source code: http://github.com/twbs/ratchet/blob/master/js/sliders.js

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