Coding Challenge Practice – Question 65

The task is to replicate the Math.pow() function, with the powers only integers.

The boilerplate code

function pow(base, power){
// your code here
}

If the power is 0, return 1

if (power === 0) return 1

Multiply the base by the abs…


This content originally appeared on DEV Community and was authored by Bukunmi Odugbesan

The task is to replicate the Math.pow() function, with the powers only integers.

The boilerplate code

function pow(base, power){
  // your code here
}

If the power is 0, return 1

if (power === 0) return 1

Multiply the base by the absolute value of the power, taking negative powers into consideration

let result = 1;
let absPower = Math.abs(power);

 for (let i = 0; i < absPower; i++) {
    result *= base;
  }

If the power is negative, return the reciporcal. Otherwise, return the result

return power > 0 ? result : 1 / result;

The final code

function pow(base, power){
  // your code here
  if(power === 0) return 1;

  let result = 1;
  let absPower = Math.abs(power);

  for(let i = 0; i < absPower; i++) {
    result *= base;
  }
  return power > 0 ? result : 1 / result;
}

That's all folks!


This content originally appeared on DEV Community and was authored by Bukunmi Odugbesan


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