=
==
===
!=
Not a Name
Not a Number
Null and None
Name and Number
setTimeout()
setInterval()
repeat()
loop()
4
22
NaN
Error
msg("Hello World");
alert("Hello World");
console.log("Hello World");
print("Hello World");
Compiled
Interpreted
Markup
Styling
Displays a message box with the text inside
Prints output to the web browser
Prints output to the browser's console
Terminates the script
.!=
2variable
variable-2
my variable
my variable2
//
<!-- -->
/* */
#
x =! 5
x !== 5
x != 5
Both b) and c)
function
def
declare
func
+
.
*
&
2.5
2
1
5
++
--
&&
**
Checks the type of a variable or expression
Converts data to a specific type
Creates a new variable type
Compares data types
true
false
yes
ok
open()
window.open()
window.new()
open.window()
alert()
confirm()
prompt()
console.log()
document.getElementById()
document.getElementByClass()
document.querySelector()
document.getElementByName()
