最好的转换方式是什么:
['a','b','c']
to:
{
0: 'a',
1: 'b',
2: 'c'
}
最好的转换方式是什么:
['a','b','c']
to:
{
0: 'a',
1: 'b',
2: 'c'
}
当前回答
如果你正在使用angularjs,你可以使用angular。Extend,与$的效果相同。jquery的扩展。
var newObj = {};
angular.extend(newObj, ['a','b','c']);
其他回答
最简单的方法如下:
const arr = ['a','b','c'];
let obj = {}
function ConvertArr(arr) {
if (typeof(arr) === 'array') {
Object.assign(obj, arr);
}
这样它只在数组中运行,然而,你可以用let全局对象变量或不带,这取决于你,如果你不带let,只运行object。加勒比海盗,分配({})。
令I = 0; let myArray = ["first", "second", "third", "fourth"]; const arrayToObject = (arr) => 对象。分配(arr{},……。Map (item => ({[i++]: item}))); console.log (arrayToObject (myArray));
或使用
myArray = ["first", "second", "third", "fourth"] console.log (myArray{…})
import books from "./books.json";
export const getAllBooks = () => {
return {
data: books,
// a=accoumulator, b=book (data itelf), i=index
bookMap: books.reduce((a, book, i) => {
// since we passed {} as initial data, initially a={}
// {bookID1:book1, bookID2:i}
a[book.id] = book;
// you can add new property index
a[book.id].index=i
return a;
// we are passing initial data structure
}, {}),
};
};
使用javascript#forEach可以做到这一点
var result = {},
attributes = ['a', 'b','c'];
attributes.forEach(function(prop,index) {
result[index] = prop;
});
ECMA6:
attributes.forEach((prop,index)=>result[index] = prop);
var finalResult = ['a','b','c']。Map ((item, index) => ({[index]: item})); console.log (finalResult)