if (i == j) {
activeSubjectsObject.name = domArr[i];
activeSubjectsObject.value = htmlArr[j];
allArr.push(activeSubjectsObject);
// console.log(allArr.length)
//铺数据
function appendDom() {
$("#catalog ul").html("")
for (i = 0; i < allArr.length; i++) {
$('#catalog ul').append(
`<li data-num=${allArr[i].name}>${allArr[i].value}</li>`
);
</script>
</body>
</html>