Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
2.9k views
in Technique[技术] by (71.8m points)

如何取出所有的 projectList,放到一个新的数组中

image

如何取出所有的 projectList,放到一个新的数组中,
自己写了循环,然后遍历 list, 只拿到最后的两条数据,请问这里应该怎么写

for(var j = 0;j < data.length;j++){

  this.list = data[j].projectList

}


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
this.list = data.map(item => item.projectList).flat()

image.png

this.list = data.flatMap(v=>v.projectList)

image.png


上面是一些 ES6 的写法。下面开始说你这个怎么整

看你的代码,你重新给list赋值了,数组赋值应该用什么?push

image.png


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...