javascript indexOf object value in array
// Get index of object with specific value in array
const needle = 3; // needle
const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }]; // haystack
const index = haystack.findIndex(item => item.id === needle);javascript indexOf object value in array
// Get index of object with specific value in array
const needle = 3; // needle
const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }]; // haystack
const index = haystack.findIndex(item => item.id === needle);find the index of an object in an array
const letters = [{letter: 'a'},{letter: 'b'},{letter: 'c'}]
const index = letters.findIndex((element, index) => {
if (element.letter === 'b') {
return true
}
})
//index is `1`js find index of object by value of property and return it's key
const index = Data.findIndex(item => item.name === 'John');Copyright © 2021 Codeinu
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