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.map with index javascript

anonimus_desu answered on May 7, 2021 Popularity 10/10 Helpfulness 4/10

answer .map with index javascript

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.map with index javascript

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const list = [ 'h', 'e', 'l', 'l', 'o'];
list.map((currElement, index) => {
  console.log("The current iteration is: " + index);
  console.log("The current element is: " + currElement);
  console.log("\n");
  return currElement; //equivalent to list[index]
});

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript

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Contributed on Aug 03 2022

anonimus_desu

0 Answers Avg Quality 2/10

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map javascript index

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// Arrow function
map((element) => { ... } )
map((element, index) => { ... } )
map((element, index, array) => { ... } )

// Callback function
map(callbackFn)
map(callbackFn, thisArg)

// Inline callback function
map(function callbackFn(element) { ... })
map(function callbackFn(element, index) { ... })
map(function callbackFn(element, index, array){ ... })
map(function callbackFn(element, index, array) { ... }, thisArg)

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 07 2021

Charming Chamois

0 Answers Avg Quality 2/10

.map with index javascript

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map javascript index

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