Question

How to get the index of an element in array that matching a condition with Node.js

Answer 1

const arr = ['typescript', 'javascript', 'nodejs', 'nodejs'];
  
const condition = (element) => element == 'nodejs';
  
console.log(condition);
console.log(arr.findIndex(condition));  
console.log(arr[arr.findIndex(condition)]); 
    
    
    
    
/*
run:
    
[Function: condition]
2
nodejs
    
*/

 

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