Bonfire-Repeat-a-String-Repeat-a-String.md

Explanation:

The program is very simple, we have to take a variable and return that variable being repeated certain amount of times. No need to add space or anything, just keep repeating it into one single string.

Hint: 1

You can't edit strings, you will need to create a variable to store the new string.

Hint: 2

Create a loop to repeat the code as many times as needed.

Hint: 3

Make the variable created store the current value and append the word to it.

Spoiler Alert!

Solution ahead!

Code Solution:

function repeat(str, num) {
  var accumulatedStr = '';

  while (num > 0) {
    accumulatedStr += str;
    num--;
  }

  return accumulatedStr;
}

Second Solution:

function repeat(str, num) {
  var newstr = [];
  for (var i = 0; i < num; i++) {
    newstr.push(str);
  }
  return newstr.join('');
}

repeat("abc", 3);

Code Explanation:

• Create a variable to store the repeated word.
• Use a while loop or for loop to repeat code as many times as needed according to num
• The we just have to add the string to the variable created on step one. and increase or decrease num depending on how you set the loop.
• At the end of the loop, return the variable for the repeated word.

Third Solution:

function repeat(str, num) {
  if (num < 0) {
    return "";
  } 
  else {
    return str.repeat(num);
  }
}

repeat("abc", 3);

Code Explanation:

• First check if num is a negative number and return false if so
• as of ECMA Script 6 (ES6) the String object comes with a builtin function to repeat a string which we you can use

##Recursive Solution

function repeat(str, num) {
  if(num < 0)
    return "";
  if(num === 1)
    return str;
  else
    return str + repeat(str, num - 1);
}

Credits:

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