Javascript introduction Flashcards

1
Q

Javascript

A

JavaScript is a programming language that powers the dynamic behavior on most websites. Alongside HTML and CSS, it is a core technology that makes the web run.

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2
Q

console.log()

A

method used to print messages to the console. can also be used to print objects and other info. Technically the .log() method is being called to the console object

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3
Q

Strings

A

primitive data type with groupings of characters (letters, spaces, numbers, symbols) etc surrounded by quotations

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4
Q

Numbers

A

primitive, include integers and floating point numbers

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5
Q

Booleans

A

primitive, can be true or false

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6
Q

Null

A

primitive, represents intentional absence of a value

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7
Q

Undefined

A

also represents absence of a key value but has a different use to null

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8
Q

object

A

collections of related data

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9
Q

arithmetic operator

A

a character which performs a task in code. i.e. +, -, *, /

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