Question

How to remove only strings from existing array in JavaScript

Answer 1

const array = [1, 'javascript', 'node.js', 2, 'typescript', 4, 5];

array.sort(v => typeof v === 'string');

array.splice(array.findIndex(i => typeof i === 'string'));

console.log(array);
 
 
 
 
/*
run:
 
[1, 2, 4, 5]
 
*/

  
  

 

70+ SQL courses for beginners and professionals

Answer 2

const array = [1, 'javascript', 'node.js', 2, 'typescript', 4, 5];

for (let i = array.length - 1; i >= 0; i--) {
  	if (typeof array[i] === "string") {
    	array.splice(i, 1);
  	}
}

console.log(array);
 
 
 
 
/*
run:
 
[1, 2, 4, 5]
 
*/

 

70+ SQL courses for beginners and professionals