Mouse onclick, oncontextmenu, ondblclick, onmousedown, onmouseenter, onmouseleave, onmousemove, onmouseover, onmouseout, onmouseup Person // member !(a = b) // logical notĪ ! = b // not equal typeof a // type (number, object, function.)Ī + = b // a = a + b (works with - * %.) 100 / 48 remainder = 4Ī ++ b - // postfix increment and decrement Bitwise operators & X = 1 // Throws an error because variable is not declared Values false, true // boolean 18, 3.14, 0b10011, 0xF6, NaN // number "flower", 'John' // string undefined, null, Infinity // special Operators a = b + c - d // addition, substractionĪ = b * (c / d) // multiplication, division Let z = 'zzz' // block scope local variable Strict mode "use strict" // Use strict mode to write secure code
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