JSFiddle - React, Tailwind, and code Playground
JavaScript
/** arr = [ 73, 32, 56, 11, 96 ]
Insert at position 3 value 63, Inserting into same array at given index without using built(utility) in functions
arr = [ 73, 32, 63, 56, 11, 96 ] **/
function insert(a,ele,pos){
for(let i=a.length;i>pos-1;i--)
a[i]=a[i-1]
a[pos-1]= ele;
return a;
}
console.log(insert([1,2,3,4,5],33,3));