Logical operators are typically used with Boolean (logical) values. When they are, they return a Boolean value. However, the && and || operators actually return the value of one of the specified operands, so if these operators are used with non-Boolean v
Logical operators are used to determine the logic between variables or values.Given that x = 6 and y = 3, the table below explains the logical operators: OperatorDescriptionExampleTry it && and (x < 10 && y > 1) is true Try it » || or (x == 5 || y == 5) is false Try ...
Commonly Used Comparison OperatorsOperatorMeaningExample == Equal to 3 == 5 // false != Not equal to 3 != 4 // true === Strictly equal to 3 === "3" // false !== Strictly not equal to 3 !== "3" // true > Greater than 4 > 4 // false < Less than 3 < 3 // false ...
Logical Operators 逻辑运算符通常用于Boolean型(逻辑)值。这种情况,它们返回一个布尔型值。然而,&&和||运算符实际上返回一个指定操作数的值,因此这些运算符也用于非布尔型,它们返回一个非布尔型值。 描述 下面是逻辑运算符的说明: Operator Usage Description Logical AND (&&) expr1 && expr2 Returns expr1 ...
So we can conclude that in LOGICAL OR operation if any of the conditions are true, the output is TRUE or 1. Example:The following web document demonstrates the use of OR operator (||).<!doctype html> JavaScript logical OR operator example h1 { color:red; border-bottom: 3px groove ...
If you have, then you need to be usingJavaScript logical operators. The previous code can be rewritten like this: 1 varsomething=somethingElse||false; Logical OR Operator The logical OR operatorreturns the first true valueit finds (looking from left to right). If nothing is true in the sta...
Logical operators are used to determine the logic between variables or values: OperatorNameDescriptionExampleTry it &&Logical andReturns true if both statements are truex < 5 && x < 10Try it » ||Logical orReturns true if one of the statements is truex < 5 || x < 4Try it » ...
Logical Expressions The logical operators &&, ||, and ! perform Boolean algebra and are often used in conjunction with the relational operators to combine two relational expressions into … - Selection from JavaScript: The Definitive Guide, 6th Edition
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