dora-ui/es/utils/dom.js

A React.js Mobile UI Library

export var stopBodyScroll = function () {
  var top = 0;
  return function () {
    var isFixed = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
    var bodyEl = document.body;

    if (isFixed) {
      top = window.scrollY;
      bodyEl.style.position = 'fixed';
      bodyEl.style.top = -top + 'px'; // 居中样式

      bodyEl.style.left = '0px';
      bodyEl.style.right = '0px';
    } else {
      bodyEl.style.position = '';
      window.scrollTo(0, top); // 回到原先的top
    }
  };
}();