9 oct 2019 · Arrays may contain values of any JavaScript type For example, the declaration Write a function makeChange(change) that displays the
indexes of other values would have to change 8 Recall that JS arrays are modeled as objects The Array shift method is not efficient
Understand the fundamental elements of JavaScript arrays; The implications are that if a change is made to the array values, since both myArray and
JavaScript can change HTML styles (CSS) • JavaScript can validate data values in JavaScript: numbers, strings, booleans, objects and undefined values ”
replace executes a search for a match between a string and a regular An array is an ordered set of values associated with a single variable name
18 Check whether an item exists in the array 7 19 Retrieve query string values 8 20 Move the focus away from your dropdown after change event
Review introductory JS concepts: ◦ Data Types ◦ Arrays Can assign variables any value – including arrays, objects, functions ◦ var myName = “Mark”;
JS Data Structures - arrays - set, change, add elements modify data in an array using a specific index number, e g players[3] = "Rose"; updates value in