711.第711章 【番外三】教育问题(下)(36/320)
a, b { return a.name - b.name };appendDom;
}
//从大到小排序
function bigToSmall {
allArr.sortfunction a, b { return b.name - a.name };
appendDom
}
//取出所有li的data-num属性放进数组
getDom
function getDom {
$'#catalog ul li'.eachfunction m {
domArr[m] = $this.attr"data-num";
htmlArr[m] = $this.html;
}
for var i = 0; i < domArr.length; i++ {
var activeSubjectsObject = {};
for var j = 0; j < htmlArr.length; j++ {
if i == j {
activeSubjectsObject.name = domArr[i];
activeSubjectsObject.value = htmlArr[j];
allArr.pushactiveSubjectsObject;
}
}
}
// console.logallArr.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>
<li data-num="359"></li>
<li data-num="360"></li>
<li data-num="361"></li>
<li data-num="362"></li>
<li data-num="363"></li>