JS中的二维数组

JavaScript013

JS中的二维数组,第1张

var a=new Array(),

k=0

for(var i=0i<5i++){

a[i]=new Array()

for(var j=0j<5j++){

k+=1

a[i][j]=k

if(i>=j){

document.write(a[i][j]+"")

}

}

document.write("<br/>")

}

var data = [

[13,'a'],

[23,'b'],

[18,'c'],

[7,'d'],

[50,'e'],

[22,'f'],

[19,'g']

]

var tt = data.sort(function(a,b){ return a[0] -b[0]})

console.log(tt)

const numberArr = [

{title: '单选题', queList: ['a','b','c','d','e','f']},

{title: '多选题', queList: ['a','b','d','e','f']},

{title: '判断题', queList: ['a','f']},

]

let i = 1

numberArr.forEach(item =>{

const {title, queList} = item

console.log(title)

queList.forEach(que =>{

console.log(`${i++}、${que}`)

})

})