examwin_web/js/exam_detail_img.js

$(function () {
  const globaldata = {
    active: null,
    maxlength: null,
  };
  // 实现跳转
  $(".my-nav").click(function (e) {
    let active = Array.prototype.slice.call($(this).find("li")).indexOf(e.target);
    if (active == globaldata.active) return false;
    globaldata.active = active;
    $(this).find(".active").removeClass("active");
    $(e.target).addClass("active");
    // 获取跳转锚点到顶部的距离
    let title = $("#title").offset().top;
    let edi_answer = $("#edi-answer").offset().top;
    let interactive = $("#interactive").offset().top;
    let lis = $(this).find("li");
    let i = Array.prototype.slice.call(lis).indexOf($(e.target)[0]);
    // 储存锚点
    let maos = [title, edi_answer, interactive];
    $(window).scrollTop(maos[i]);
  })
  // 查看更多
  $("[data-click='open']").click(function () {
    let bool = $(this).data("open");
    if (!bool) {
      $(this).data("open", true).children("span").text("收起阅读全部").parent().children("i").removeClass("glyphicon-chevron-down").addClass("glyphicon-chevron-up").parent().parent().parent().addClass("edi-body-height");
    } else {
      $(this).data("open", false).children("span").text("展开阅读全部").parent().children("i").removeClass("glyphicon-chevron-up").addClass("glyphicon-chevron-down").parent().parent().parent().removeClass("edi-body-height");
    }
  })
  // 进度条拖动
  window.onresize = function () {
    globaldata.maxlength = $(".pro").width();
  }
  // 进度条宽度
  let maxlength = globaldata.maxlength || $(".pro").width();
  // 移动dom
  let movedom = $(".pro>.icon");
  //起始坐标
  let startX = null;
  // 分数
  let gross = $(".pro").data("gross");
  // 进度条
  let showdom = $(".pro>.pro-content");
  // 显示数值
  let pro_show = $("pro_show");
  movedom.mousedown(function (e) {
    startX = e.pageX;
    $(this).css('left') ? $(this).css('left') : $(this).css('left', '0px');
    let startLeft = parseInt($(this).css('left'));
    console.log(startLeft)
    let $that = $(this);
    $(document).mousemove(function (e) {
      let moveX = (e.pageX - startX) > 0 ? true : false;
      let movesection = startLeft + (e.pageX - startX);
      if (movesection >= 0 && movesection <= maxlength) {
        let percent = (movesection / maxlength).toFixed(4) * 100 * gross;
        percent = Math.round(percent) + "分";
        let move = movesection + "px";
        showdom.css("width", move);
        console.log(percent)
        pro_show.css("left", move).text(percent);
        $that.css("left", move)
      }
    })
  }).mouseleave(function () { $(document).mousemove = null })
})