I have Array objects like below , How to convert this format into Array of objects and remove key.
{
"9417702107": {
"name": "Sunny",
"phone": "9417702107",
"exists": true
},
"8826565107": {
"name": "Gurwinder",
"phone": "8826565107",
"exists": true
}
}
How to convert this into below format using javascript:
[{
"name": "Sunny",
"phone": "9417702107",
"exists": true
}, {
"name": "Gurwinder",
"phone": "8826565107",
"exists": true
}]
Use a simple loop:
array = [];
for (var key in obj) {
array.push(obj[key]);
}
As in the other answer, there's no guarantee that the elements of the array will be in the same order as in the object.
simply try this
var output = Object.keys(obj).map(function(key){
return obj[key];
})
Note that there is no guarantee that order of items in output array will be same as in the order key-values in your object as you see it.
if the order is important, then put an new attribute called order in the object itself
var obj {
"9417702107":
{
"name": "Sunny",
"phone": "9417702107",
"exists": true,
"order_sequence" : 1
},
"8826565107": {
"name": "Gurwinder",
"phone": "8826565107",
"exists": true,
"order_sequence" : 1
}
}
and then after converting to array, you can sort on the order_sequence
var output = Object.keys(obj).map(function(key){
return obj[key];
}).sort( function(a,b){
return a.order_sequence - b.order_sequence;
});
order attribute.Use Object.keys and for-cycle.
var keys = Object.keys(input), output = [];
for (var i = 0, length = keys.length; i < length; ++i)
ouptput.push(input[keys[i]]);
console.log(output);
Some tips:
- Cycles in this case gives move performance than map function, because in today JS engines: fewer functions calls, greater performance.
- For-each (for (var k in input) {}) is slower than Object.keys and cycle for/while.
This is acceptable for today implementation Google V8 and Mozilla SpiderMonkey.
