How to Use Logical OR

The logical OR ( || ) operator (logical disjunction) for a set of operands is true if and only if one or more of its operands is true. It is typically used with Boolean (logical) values.
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Examples of expressions that can be converted to false are:

null ;
NaN ;
0 ;
empty string ( "" or '' or `` );
undefined .

What is the difference between and and/or operator?
What is logical AND and OR?
WHAT IS AND OR NOT operator?
How do you type logical or?
How many types of logical operators are there?
What is difference between logical and Bitwise and operator?
What are the 5 logical operators?
What are the 3 logical operators?
Is == a logical operator?
What are 5 Boolean operators?
Which is not a logical operator?
What is logical operator example?

What is the difference between and and/or operator?

OR operator is also used to combine multiple conditions with WHERE clause. The only difference between AND and OR is their behaviour. When we use AND to combine two or more than two conditions, records satisfying all the specified conditions will be there in the result.

What is logical AND and OR?

Logical operators combine relations according to the following rules: The ampersand (&) symbol is a valid substitute for the logical operator AND . ... Only one logical operator can be used to combine two relations. However, multiple relations can be combined into a complex logical expression.

WHAT IS AND OR NOT operator?

The logical operators *AND and *OR specify the relationship between operands in a logical expression. The logical operator *NOT is used to negate logical variables or constants. The *OR operator indicates that one or the other of its operands must be true to produce a true result. ...

How do you type logical or?

In most programming languages, the logical OR operator is the vertical bar or 'pipe'. On my keyboard that lives on the shifted backslash key.

How many types of logical operators are there?

There's three types of logic operators:Negation (NOT) Disjunction (OR) Conjunction (AND).

What is difference between logical and Bitwise and operator?

Difference Between Bitwise and Logical Operators

First, logical operators work on boolean expressions and return boolean values (either true or false), whereas bitwise operators work on binary digits of integer values (long, int, short, char, and byte) and return an integer.

What are the 5 logical operators?

There are five logical operator symbols: tilde, dot, wedge, horseshoe, and triple bar.

What are the 3 logical operators?

There are four logical operators in JavaScript: || (OR), && (AND), ! (NOT), ?? (Nullish Coalescing). Here we cover the first three, the ??

Is == a logical operator?

Comparison operators — operators that compare values and return true or false . The operators include: > , < , >= , <= , === , and !== ... Logical operators — operators that combine multiple boolean expressions or values and provide a single boolean output. The operators include: && , || , and ! .

What are 5 Boolean operators?

5 Boolean Operators You Need to Know

AND. AND will narrow your search results to include only relevant results that contain your required keywords. ...
OR. ...
NOT. ...
Quotation Marks “ “ ...
Parentheses ( ) ...
Boolean Is as Much Art as It Is Science. ...
Practice Makes Perfect.

Which is not a logical operator?

The NOT logical operator reverses the true/false outcome of the expression that immediately follows. ... You can substitute ~ or ¬ for NOT as a logical operator. NOT can be used to check whether a numeric variable has the value 0, 1, or any other value. For example, all scratch variables are initialized to 0.

What is logical operator example?

For example, a && b returns true when both a and b are true (i.e. non-zero). Logical OR operator: The '||' operator returns true even if one (or both) of the conditions under consideration is satisfied. Otherwise it returns false. For example, a || b returns true if one of a or b or both are true (i.e. non-zero).