Javascript Reserved Keywords

Front 1

abstract

Back 1

type of object used in declaration statements

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boolean

Back 2

true or false value for logical function or object statements

Front 3

break

Back 3

Is used to control loops: exits the loop to the next statement outside of the current statement block.

Front 4

byte

Back 4

reserved word as a 0 through 9 capacitor

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case

Back 5

reserved so as to make case statements

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catch

Back 6

reserved for try/catch statements, used in error handling

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char

Back 7

reserved for characters

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class

Back 8

Reserved for object oriented template declarations: the blueprint which describes an object's properties and behaviors.

Front 9

const

Back 9

Reserved for reference to constant values

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continue

Back 10

Reserved as a way to continue running a loop inside a statement block.

Front 11

default

Back 11

The default reserved word is often used when programming image maps or anything requiring default settings.

Front 12

delete

Back 12

"Delete" is a reserved word in JavaScript, because it is an operator.

Front 13

do

Back 13

The reserved word "do" is used to start do/while conditional loops.

Front 14

double

Back 14

"Double" is reserved in JavaScript because it is a type of number.

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else

Back 15

"Else" is reserved because it is used in loops as an alternative route.

Front 16

extends

Back 16

"Extends" is a JavaScript keyword .

Front 17

false

Back 17

"False" is a JavaScript keyword used in logical negation.

Front 18

final

Back 18

"Final" is a JavaScript reserved word.

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finally

Back 19

"Finally" is a JavaScript reserved word. It is used after the Try/Throw statement finishes.

Front 20

float

Back 20

"Float" is a number type in JavaScript and is a reserved word.

Front 21

for

Back 21

"For" is a reserved word in JavaScript because it often begins loop statement blocks.

Front 22

function

Back 22

"Function" is a reserved word in JavaScript, because it is a set of instructions which returns a value.

Front 23

goto

Back 23

The "goto" keyword in JavaScript allows for jumps to other sections of the code.

Front 24

if

Back 24

The reserved word "IF" often begins loops in JavaScript.

Front 25

implements

Back 25

The "implements" reserved word is used in JavaScript for prototyping.

Front 26

import

Back 26

The "import" keyword is often used in JavaScript to include CSS code.

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in

Back 27

In JavaScript, the word "in" is reserved.

Front 28

instanceof

Back 28

The JavaScript reserved word "instanceof" returns a value of TRUE if an object is of a given object type.

Front 29

int

Back 29

The "int" reserved word in JavaScript helps tell the computer that a variable is of the integer type.

Front 30

interface

Back 30

"Interface" is a keyword in JavaScript.

Front 31

long

Back 31

The JavaScript keyword "long" designates a type of number value .

Front 32

native

Back 32

"Native" is a JavaScript reserved word.

Front 33

new

Back 33

"New" is a JavaScript reserved word.

Front 34

null

Back 34

"Null" is a JavaScript keyword indicating no value.

Front 35

package

Back 35

The "package" reserved word in JavaScript.

Front 36

private

Back 36

"Private" is a reserved word in JavaScript.

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protected

Back 37

"Protected" is a JavaScript reserved word.

Front 38

public

Back 38

"Public" is a JavaScript reserved word.

Front 39

return

Back 39

"Return" is a JavaScript keyword usually used with "Switch".

Front 40

short

Back 40

The JavaScript keyword "short" designates a type of numeric value.

Front 41

static

Back 41

The JavaScript keyword "static" is used to designate normal states.

Front 42

super

Back 42

The JavaScript keyword "super" can designate a class as one that can have its features inherited from.

Front 43

switch

Back 43

"Switch" as a JavaScript keyword can be used in conditional looping.

Front 44

synchronized

Back 44

"Synchronized" is a reserved word in JavaScript.

Front 45

this

Back 45

"This" cannot be the name of a variable in JavaScript, because it is a reserved word. It is used to refer to an object.

Front 46

throw

Back 46

"Throw" is a reserved word in JavaScript: used to create conditions for exception.

Front 47

throws

Back 47

"Throws" is a reserved word in JavaScript.

Front 48

transient

Back 48

"Transient" is a JavaScript reserved word.

Front 49

true

Back 49

"True" is a JavaScript reserved word, because of its use in logic statements.

Front 50

try

Back 50

"Try" is a reserved word in JavaScript, because it is used in conditional statements.

Front 51

typeof

Back 51

The "typeof" keyword in JavaScript, because it is an operator which identifies the type of its operand: number, string, et

Front 52

var

Back 52

The JavaScript keyword "var" allows you to declare a variable in the <head> of the HTML document.

Front 53

void

Back 53

"Void" is a JavaScript keyword which specifies an expression doesn't have to return a value.

Front 54

volatile

Back 54

The JavaScript keyword "volatile" cannot be used as a variable name.

Front 55

while

Back 55

"While" is a reserved word in JavaScript because it is used in loops.

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with

Back 56

"With" is a JavaScript keyword because it is used in loops.