The JavaScript Array object is a global object that is used in the construction of arrays; which are high-level, list-like objects.
Array in details
Create Array
var names= ['John','Jane','Mark'];
console.log(names[2]);
Mark
names[1]= 'Ben';
console.log(names);
[ 'John', 'Ben', 'Mark' ]
Add item at last and first index of array
names.push('Dimitris');
names.unshift('Konstantinos');
console.log(names);
["Konstantinos", "John", "Ben", "Mark", "Dimitris"]
Remove item at last and first index of array
names.pop();
names.shift();
console.log(names);
[ 'John', 'Ben', 'Mark' ]
Return the index position of item
console.log(names.indexOf('Ben'));
1