Thursday November 5

Daily JS

JS Quiz

Instructions

Define a function max() that takes two numbers as arguments and returns the largest of them. Use the if/else statement available in Javascript.

Use your whiteboards to write this out:

function maxTwo(currentMax, compare) {
  if (currentMax > compare) {
    return currentMax;
  }

  return compare;
}

var upperLimit = maxTwo(2, 200);
var upperLimitTwo = maxTwo('2000', 15);
var maxFromArray = [200, 1000, 15, 9999, 24].reduce(maxTwo);

console.assert(upperLimit === 200);
console.assert(upperLimitTwo === '2000');
console.assert(maxFromArray === 9999);

maxOfAll = function() {
  return Array.from(arguments)
    .reduce(maxTwo);
}

Vocab

• arguments - a special variable in JS which is an array-like structure holding all of the arguments for the current function

Topics

• Testing Callbacks
• Babel & ES6
• Spreads

Code

https://github.com/TIY-LR-FEE-2015-Fall/lesson-03-04

Lab

• Find Max Items
  • Multiple Inputs Find Max Items on Inputs
  • Count up each time the max changes
  • Every 500ms blink a border around the max input
• Array Functions

Homework

https://github.com/TIY-LR-FEE-2015-Fall/assignments/tree/master/12-array-data