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javascript find index

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Prod. Wakaw answered on May 13, 2020 Popularity 10/10 Helpfulness 4/10

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javascript find index

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const index = array.findIndex((param)=> param.name == "jimmy")
/* param will iterate on every value of the array looking for 
that one element that fits the criteria that is indicated in arrow function 
besides it */

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Contributed on Aug 15 2022

Prod. Wakaw

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javascrpt find index

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const numbers = [2, 4, 5, 3, 8, 9, 11, 33, 44];
const findIndex = numbers.findIndex((number) => number == 5);
console.log(findIndex)
//Expected output: 2

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Contributed on Sep 17 2021

Ariful Islam Adil(Code Lover)

0 Answers Avg Quality 2/10

find index in array javascript

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// find index of array in javascript
const number = [1,6,2,8,1,0,4,2,7,5,4,1];
const index = number.findIndex(item => item === 8);
console.log(index)

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Tags: find

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Contributed on Jan 17 2022

Chetan Nada

0 Answers Avg Quality 2/10

js find index in list

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let myList = ['foo', 'bar', 'qux'];

myList.indexOf('bar');	// 1

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Tags: find

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Contributed on Jul 18 2020

garzj

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get index of element in array js

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const beasts = ['ant', 'bison', 'camel', 'duck', 'bison'];

beasts.indexOf('bison'); //ouput: 1

// start from index 2
beasts.indexOf('bison', 2); //output: 4

beasts.indexOf('giraffe'); //output: -1

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Source: developer.mozilla.org

Tags: element

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Contributed on Oct 28 2020

blueh0rse

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js array get index

Comment

var fruits = ["Banana", "Orange", "Apple", "Mango"];
return fruits.indexOf("Apple"); // Returns 2

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Tags: get

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Contributed on Jul 02 2020

Mingles444

0 Answers Avg Quality 2/10

javascript array findindex

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// find index of array item; test values using a function
const arr = ['A','B','C'];
const index = arr.findIndex((item) => item === 'B');	// index == 1

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Tags: javascript j

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Contributed on Sep 01 2021

TechNyquist

0 Answers Avg Quality 2/10

js get index of item in array

Comment

array.indexOf("item");

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Tags: get

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Contributed on May 13 2020

If-dev

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how to get the index of element in array js

Comment

// If you want to find the index of item present in array then here is 
// a method call indexOf with this method you can find index of item

// EXAMPLE ----

// Tip : 1

// Use const to define a Array because you know javascript stores 
// refrence data types in heap // It's mean you can access the array 
// Dynamically

const names = ["Fahad","Shaikh","Your_Name"]

// It'll log the result in the console

console.log(names.indexOf("Your_name")); // And you guess right it'll 
// return ---> 2 because Your Name is present in names[2]

// And if you want to store the index in a variable you use syntax 
// given below

// Tip : 2

// use camel case to define variable names and don't be afraid to give
// big name to variable 

const indexOfYourName = list.indexOf("apple") // 0

// Enjoy Coding : )

Popularity 10/10 Helpfulness 2/10 Language javascript

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Tags: element

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Contributed on Dec 17 2022

Fahad Shaikh

0 Answers Avg Quality 2/10

javascript find index

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