javascript object how to get value by index code example
Example 1: javascript get index of object with value in array
// Get index of object with specific value in array
const needle = 3;
const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }];
const index = haystack.findIndex(item => item.id === needle);
Example 2: js find index of object by value of property and return it's key
const index = Data.findIndex(item => item.name === 'John');