- JavaScript Basics
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- JS Operators
- JS Arithmetic Operators
- JS Assignment Operators
- JS Comparison Operators
- JS Logical Operators
- JS Bitwise Operators
- JS Ternary Operator
- JS Operator Precedence
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- JS search() Vs. indexOf()
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- JavaScript Objects
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- JS Math.round()
- JS Math.ceil()
- JS Math.floor()
- JS Math.trunc
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- JS Math.random()
- JS Math.sign()
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- JavaScript Date and Time
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- JS getUTCSeconds()
- JS getUTCMilliseconds()
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- JS toLocaleString()
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- JS getTimezoneOffset()
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- JavaScript Browser Objects
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- JavaScript Regular Expression
- JS Regular Expression
- JS RegEx .
- JS RegEx \w and \W
- JS RegEx \d and \D
- JS RegEx \s and \S
- JS RegEx \b and \B
- JS RegEx \0
- JS RegEx \n
- JS RegEx \xxx
- JS RegEx \xdd
- JS RegEx Quantifiers
- JS RegEx test()
- JS RegEx lastIndex
- JS RegEx source
- JavaScript Advance
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- JS onerror Event
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- JS getElementsByTagName()
- JS querySelector()
- JS querySelectorAll()
- JS document.write()
- JS console.log()
- JS instanceof
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- JavaScript Programs
JavaScript Operator Precedence
Operator precedence in JavaScript, decides which operator evaluates first, then which evaluates second, and so on. I've listed all the JavaScript operators, where the first operator has the highest precedence, and the last operator has the lowest precedence, in the table given below:
Operator | Name | Associativity |
---|---|---|
() | Grouping | |
. | Member | left to right |
[] | Member | left to right |
new | Create | |
() | Function call | left to right |
++ | Increment | |
-- | Decrement | |
! | Logical NOT | |
typeof | Type | |
** | Exponentiation | right to left |
* | Multiplication | left to right |
/ | Division | |
% | Remainder/Modulus | |
+ | Addition | left to right |
– | Subtraction | |
<< | Left shift | left to right |
>> | Right shift | |
>>> | Unsigned Right shift | |
< | Less than | left to right |
<= | Less than or equal | |
> | Greater than | |
>= | Greater than or equal | |
in | In | |
instanceof | Instance of | |
== | Equality | left to right |
!= | Inequality | |
=== | Strictly equal | |
!== | Strictly unequal | |
& | Bitwise AND | left to right |
^ | Bitwise XOR | left to right |
| | Bitwise OR | left to right |
&& | Logical AND | left to right |
|| | Logical OR | left to right |
? : | Conditional | right to left |
= | Assignment | right to left |
+= | Add then assign | |
-= | Subtract then assign | |
*= | Multiply then assign | |
/= | Divide then assign | |
%= | Modulus then assign | |
<<= | left shift then assign | |
>>= | right shift then assign | |
>>>= | Unsigned right shift then assign | |
&= | Logical AND then assign | |
^= | Bitwise XOR then assign | |
|= | Bitwise OR then assign | |
yield | Pause function | right to left |
, | Comma | left to right |
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