合并数组到对象数组JavaScript [英] Merge Array to Object Array JavaScript
本文介绍了合并数组到对象数组JavaScript的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我在这里有一个数组:
var array = [
[
['firstName', 'Nork'], ['lastName', 'James'], ['age', 22], ['position', 'writer']
],
[
['firstName', 'James'], ['lastName', 'Rodel'], ['age', 25], ['position', 'programmer']
]
];
我创建了一个函数,将函数转换为obj数组,如下所示:
I created a function that will transform my function into obj array like this:
[
{firstName: 'Nork', lastName: 'James', age: 22, position: 'writer'},
{firstName: 'James', lastName: 'Rodel', age: 25, role: 'programmer'}
]
所以我创建了一个函数来做到这一点.但是,我不确定从哪里开始使我能够将它们合并.
So I created a function to do that. However I am not sure where to start to enable me to merge them.
function changeData(array) {
var obj = { };
}
changeData(array);
有帮助吗?
推荐答案
map()
方法创建一个新数组,其结果是对该数组中的每个元素调用一个提供的函数.
reduce()
方法对一个累加器和数组中的每个元素(从左到右)应用一个函数,以将其减小为单个值.
The
map()
method creates a new array with the results of calling a provided function on every element in this array.
Thereduce()
method applies a function against an accumulator and each element in the array (from left to right) to reduce it to a single value.
var array = [
[
['firstName', 'Nork'],
['lastName', 'James'],
['age', 22],
['position', 'writer']
],
[
['firstName', 'James'],
['lastName', 'Rodel'],
['age', 25],
['position', 'programmer']
]
];
function mergeObjectArray(array) {
return array.map(function(el) {
return el.reduce(function(a, b) {
a[b[0]] = b[1];
return a;
}, {})
});
}
console.log(mergeObjectArray(array));
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