interview notes

gistfile1.txt

// ************************************************************************************************
// What Javascript methods would convert the string "20" to an integer (on the fly) so "20" + 20 = 40?
"20"+20 = "2020"


parseInt('20') + 20;

"20"*1
+"20"+20



// ************************************************************************************************
(function() {
    console.log(1); 
    setTimeout(function(){console.log(2)}, 0); 
    setTimeout(function(){console.log(3)}, 0); 
    console.log(4);
})();

// In what order are they printed and why?

1
4
3
2





// ************************************************************************************************
// Write all the methods you know to go through an array, native or not



 


// ************************************************************************************************
// Write all the data types in JS

null
undefined
string
number
array
object
boolean







// ************************************************************************************************
// Write a function that returns if a string is a palindrome or not
// sonia: not palindrome
// anna: palindrome

function isPalindrome (string) {

    var length = string.length;
    var stringArray = string.split(‘’).reverse().join('');
    
     for (var i = 0; i < length ; i++) {
         if (stringArray[i] == stringArray((length-1) - i)) {
              return true;
         }  else {
             return false;
         }
     }
}