获取csdn视频课程列表的js代码:
var docs=document.querySelectorAll("ul > li.lesson-title")
var tits=[];
for (var i=0;i<docs.length;i++){
var title=docs[i].innerText
tits.push(i+"_"+title)
var url=docs[1].children[0].href
console.log(title)
}
console.log(tits)
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