JavaScript's double not operatoris basically double use of (!) operator. This is alogical not operator. (!!) operator converts non-Boolean to Boolean. As you know,!operator reverses the logic, i.e., it returnfalsefor!truevalue andtruefor!false. Examples of (!) Operator !false Output: ...
(not not) operator inJavaScript.This double negation forces a value to be evaluated as either true or false. What is the !! Operator? The double negation(!! )operatoris the! Operator twice and calculates the truth value of a value. It returns aBoolean value, which depends on the truthine...
the xor operator is a logical operation that takes two boolean inputs and returns true only if one input is true and the other input is false. in other words, the xor operator requires exactly one input to be true for the output to be true. what is the nand operator? the nand ...
A brief explanation to what hoisting means in the JavaScript programming languageJavaScript before executing your code parses it, and adds to its own memory every function and variable declarations it finds, and holds them in memory. This is called hoisting....
While many people are familiar with Java from interactive website features, users may be less familiar with JavaScript — or, indeed, they may wrongly consider the two to be the same.In this article, we discuss what JavaScript is and the differences between Java and JavaScript. Then we’ll ...
InJavaScript, the logical negation operator is expressed as ! (logical NOT). Also known aslogical complement, the operator takes truth to falsity and vice versa. It is usually used with logical or Boolean values. When used with non-Boolean values, it returnsfalseif its single operand can be...
Accumulator,And,Bitwise operator,Boolean,Idempotence,Nand,Nor,Operator,OR,Programming terms,Pseudo-operation,XOR
Therefore, you should test your JavaScript script in all popular web browsers, including their older versions, to avoid harming the user experience. Security ‒ JavaScript code that runs on the client-side is vulnerable to exploitation by irresponsible users. Debugging ‒ while some HTML editors...
What is Boolean? In computing, the term Boolean means a result that can only have one of two possible values: true or false. Boolean logic takes two statements or expressions and applies a logical operator to generate a Boolean value that can be either true or false. To return the result...
logical operator “|” by performing a “short-circuit” evaluation wherein the second operand is not evaluated when the first operand is evaluated as true. This is due to the fact that the result of the “||” operation is true if the evaluation of any of the two operands returns true...