获取元素到页面最左侧的距离(滑块)

主要用到offsetParent

  function getElementLeft(element){
    var actualLeft = element.offsetLeft;
    var current = element.offsetParent;

    while (current !== null){
      actualLeft += current.offsetLeft;
      current = current.offsetParent;
    }
    return actualLeft;
  }

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转载自blog.csdn.net/qq_29923881/article/details/83186445