Here is an array that needs to be updated:
let arr = [ { "Id": 0, "Name": "Product 1", "Price": 10 },
{ "Id": 0, "Name": "Product 1", "Price": 15 } ]
I am looking for a way to add 1 to all the Price values, resulting in:
let Final_arr = [ { "Id": 0, "Name": "Product 1", "Price": 11 },
{ "Id": 0, "Name": "Product 1", "Price": 16 } ]
Any suggestions on how to achieve this? Thanks! ;)
Iterate over the array and increase the value of price:
Remember that this action will change the original array,
use arr.slice(0).forEach( ... to maintain the original array.
let arr = [{
"Id": 0,
"Name": "Product 1",
"Price": 10
},
{
"Id": 0,
"Name": "Product 1",
"Price": 15
}
]
arr.forEach((e) => {
return e.Price++
});
/*
const newArr = arr.slice(0).forEach((e) => {
return e.Price++
});
*/
console.log(arr)Another option is to utilize a for loop:
var items = [{
"Id": 0,
"Name": "Product 1",
"Price": 10
},
{
"Id": 0,
"Name": "Product 1",
"Price": 15
}
];
for (var index = 0; index < items.length; index++)
items[index].Price++;
console.log(items);arr.forEach((elem) => { elem.Price = elem.Price + 1 });
To create a new array with updated values, you can duplicate the existing array and apply mapping as shown below:
let originalArray = [ { "Id": 0, "Name": "Product 1", "Price": 10 },
{ "Id": 0, "Name": "Product 1", "Price": 15 } ];
let newArray = JSON.parse(JSON.stringify(originalArray)).map(function(item){
item.Price++;
return item;
});
console.log(newArray);To achieve this using ES2015 syntax, you can utilize the following code:
const New_arr = arr.map((element) => {
return { ...element, price: element.Price + 1 };
});
If you prefer using vanilla JavaScript instead, the code would look like this:
var New_arr = arr.map(function (element) {
return { Id: element.Id, Name: element.Name, Price: element.Price + 1 };
});
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