//console.log(string_chop('w3resource'));
console.log(string_chop('w3resource',2));
//console.log(string_chop('w3resource',3));

function string_chop(str, num)
{
    var temp = str.split('');
   // console.log(temp);
    var ar = [];
    for(var i =0 ; i<temp.length ; i=i+num)
    {
        for(var j =i ; j<(num+i) ; j++)
        {
            ar.push(temp[j]);
          //  console.log(j)
            
           
        }
        
    }
   
    return ar;
}

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