const body = document.body;
const app = document.queryselector("#app");

const debounce = (callback, delay) => {
  let timer = null;
  return () => {
    if (timer) {
      cleartimeout(timer);
    }
    timer = settimeout(() => {
      callback();
    }, delay);
  };
};

const throttle = (callback, duration) => {
  let timer = null;
  return () => {
    if (!timer) {
      callback();
      timer = settimeout(() => {
        cleartimeout(timer);
        timer = null;
      }, duration);
    }
  };
};




// /* 加载动画 */
// 
// const jzloadingdh = () => {
  // var jzloadingbox = document.createelement("div");
  // var jzloading = document.createelement("div");
  // var jzldspan = document.createelement("span");
  // jzloadingbox.classlist.add("jzloadingbox");
  // jzloading.classlist.add("jzloading");
  // jzldspan.innertext = "湖北航天电缆";
  // jzloading.appendchild(jzldspan);
  // jzloadingbox.appendchild(jzloading)
  // body.appendchild(jzloadingbox);
// 
// } 
// 
// document.onreadystatechange = () => {
// 
    // 
  // if (document.readystate == "complete") {
    // /* console.log(body.children[body.children.length - 1]); */
    // body.removechild(body.children[body.children.length - 1])
  // }
  // else {jzloadingdh()};
// }