having-fun-coding

function bouncer(arr) {
 
  arr = arr.filter(function (n) { 
    return (n !== undefined && n !== null && n !== false && n !== 0 && n !== "" && n!== isNaN); });
    return arr;
}

having-fun-coding

Return the remaining elements of an array after chopping off n elements from the head.

Here are some helpful links:

Array.slice()
Array.splice()

having-fun-coding

function chunk (array, length) { 

  var chunkarr = [], 
      i = 0, 
      n = array.length; 

  while (i < n) { 
    chunkarr.push(array.slice(i, i += length)); 
  } 

having-fun-coding

Truncate a string (first argument) if it is longer than the given maximum string length (second argument). Return the truncated string with a '...' ending.

Note that the three dots at the end add to the string length.

Here are some helpful links:

String.slice()

having-fun-coding

Repeat a given string (first argument) n times (second argument). Return an empty string if n is a negative number.

Here are some helpful links:

Global String Object

The '&' is a Bitwise AND.  >> is Bitwise right shift operator. Bitwise shift operators Operations to shift all bits of the operand.

Bitwise operators (&,|,^) treat their operands as a set of 32 bits (zeros and ones) and return standard JavaScript numerical values.

having-fun-coding

function end(str, target) {
   return str.substring(str.length-target.length) == target;
}

having-fun-coding

Return an array consisting of the largest number from each provided sub-array. For simplicity, the provided array will contain exactly 4 sub-arrays.

having-fun-coding

Make the first letter of each word uppercase and the other letters of the word lowercase.

having-fun-coding

function findLongestWord(str) {
   longWords = str.split(' ');
   var longest = longWords[0].length;

   for (var i = 0; i < longWords.length; i++) {
       if (longWords[i].length > longest) {
           longest = longWords[i].length;
       }
   }

having-fun-coding

function palindrome (str) {
    var string = (str+'').replace(/[\.,-\/#!$%\^&\*;:{}=\-_`~\ ()]/g,"").replace(/\s/g, "").toLowerCase();
    return string === (string.split('').reverse().join(''));
}