Boolean values in javascript | Javascript Full Course |#javascript | #Revildo_code

Boolean values in javascript | Javascript Full Course |#javascript | #Revildo_code



JavaScript, a boolean value is one that can either be TRUE or FALSE. If you need to know "yes" or "no" about something, then you would want to use the boolean function. It sounds extremely simple, but booleans are used all the time in JavaScript programming, and they are extremely useful.



var a1 ="true"; var a2 ="false"; Boolean() function in JavaScript: Boolean function returns the boolean value of variable. It can also be used to find boolean result of a condition, expression etc. Note: A variable or object which has value are treated as true boolean values.



(expression); // or this const x = new Boolean(expression); // don't use this! If you specify any object, including a Boolean object whose value is false , as the initial value of a Boolean object, the new Boolean object has a value of true . Do not use a Boolean object in place of a Boolean primitive.



Since true and false are booleans, it will convert them to their numerical counterparts-false becomes 0, and true becomes 1 (think about binary numbers if you really need to remember this; 0 is usually used for false, and 1 is usually used for true).


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