<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>取原始数组中的指定数据push新数组</title>
</head>
<body>
<script>
const arr = [
{
name: 'swk',
age: 24,
height: 1.99,
address: 'hgs'
},
{
name: 'zbj',
age: 22,
height: 1.99,
address: 'hgs'
},
{
name: 'shs',
age: 26,
height: 1.99,
address: 'hgs'
},
{
name: 'tsz',
age: 30,
height: 1.99,
address: 'hgs'
}
]
const newArr = []
arr.forEach(item => {
newArr.push([item.name, item.age])
})
console.log(newArr)
</script>
</body>
</html>
2.将原数组中每一项的barcode重新push到一个新数组中，使用map
const arr = [
{
barcode: {
name: "swk",
age: 24,
height: 1.99,
address: "hgs",
},
used: false,
pid: 123,
w: "123",
groopName: "xx",
},
];
const newArr = [];
arr.map((item) => {
newArr.push(item.barcode);
});
console.log(newArr)
newArr
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