数组转对象
2019-06-25 本文已影响0人
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title> 数组转对象 </title>
</head>
<body>
<script>
//对象转数组
let arr = []
let obj = {
liang: "18",
liang1: "16"
}
console.log('对象转数组前:', obj); // 对象转数组前: {liang: "18", liang1: "16"}
for (let prop in obj) {
arr.push({
name: prop,
age: obj[prop]
})
}
console.log('对象转数组后:', JSON.stringify(arr, null, 2));
// 对象转数组后: [ { "name": "liang","age": "18" }, {"name": "liang1", "age": "16" }]
// 数组转对象
let arr1 = [{
name: 'liang2',
ct: '18'
},
{
name: 'liang3',
ct: 16
}
]
console.log('数组转对象前:', arr1); // 数组转对象前: (2) [{name: "liang2", ct: "18"},{name: "liang3", ct: 16}]
let obj1 = {}
arr1.forEach(item => {
obj1[item.name] = item.ct
})
console.log('数组转对象后:', JSON.stringify(obj1, null, 2)); // 数组转对象后: {"liang2": "18", "liang3": 16}
</script>
</body>
</html>
