Java Script made its first appearance in Netscape 2.0 in 1995 with the name Live Script.
The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers.
This regular expression matches three groups of digits. ( # Capture the enclosed match to backreference 1... is another character class, one that allows any one of three separators.
A computer program is a list of "instructions" to be "executed" by the computer.
In a programming language, these program instructions are called statements. Java Script statements are separated by semicolons: In a programming language, variables are used to store data values.
Underscore: first_name, last_name, master_card, inter_city. Upper Camel Case (Pascal Case): First Name, Last Name, Master Card, Inter City.
Lower Camel Case: Java Script programmers tend to use camel case that starts with a lowercase letter: first Name, last Name, master Card, inter City.