Find Key value from Array of Objects

Question

I have an array structured like this:

var myArray = [{ value1: "a", value2: "b" }, { value1: "c", value2: "d" }, { value1: "e", value2: "a" }];

From this array, I want to check if there is a 'value1' that has the value 'a' and have the function return true or false.

Is this possible, or will I have to loop through All the Objects, checking each value and then returning true/false?

Thanks!

Does this answer your question? How to determine if Javascript array contains an object with an attribute that equals a given value? — Ivar
– Ivar, Commented Aug 18, 2021 at 8:19
Yes, Thanks! I did search around for a bit but I guess I didnt word it correctly. — CodingBoss
– CodingBoss, Commented Aug 18, 2021 at 8:20

TechySharnav · Accepted Answer · 2021-08-18 08:19:37Z

2

You can use Array's some method for this.

var myArray = [{ value1: "a", value2: "b" }, { value1: "c", value2: "d" }, { value1: "e", value2: "a" }];

let out = myArray.some((ele)=>ele.value1 === "a")

console.log(out)

answered Aug 18, 2021 at 8:19

TechySharnav

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Gabriel Lupu · Accepted Answer · 2021-08-18 08:19:45Z

1

You can use the some array method like this:

myArray.some(el => el.value1 === 'a')

This will return true if there is such a value and false if not

answered Aug 18, 2021 at 8:19

Gabriel Lupu

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harisu · Accepted Answer · 2021-08-18 08:29:58Z

0

You can use the array.find method to do that.

var myArray = [{ value1: "a", value2: "b" }, { value1: "c", value2: "d" }, { value1: "e", value2: "a" }];
console.log(!!myArray.find(element => element.value1 === "a"))

answered Aug 18, 2021 at 8:29

harisu

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