JSFiddle - React, Tailwind, and code Playground

by GioLogist

HTML

<div id="wtf">

</div>

JavaScript

function otherFunc(arr,str){
  arr[0] = 'logist'
  str = 'after'
}

let func = function(){
	let arr = ['amy','becky']	
  let str = 'before'

  let test = otherFunc(arr, str)
  
  document.getElementById('wtf').innerText = `${arr} - ${str}`
}()