![]() For having more symbols, other typefaces are also used, mainly boldface a, A, b, B, … means that the distribution of the random variable X is standard normal. In mathematical formulas, the standard typeface is italic type for Latin letters and lower-case Greek letters, and upright type for upper case Greek letters. As the number of these sorts has remarkably increased in modern mathematics, the Greek alphabet and some Hebrew letters are also used. Letters are used for representing many other sorts of mathematical objects. Historically, upper-case letters were used for representing points in geometry, and lower-case letters were used for variables and constants. ![]() The decimal digits are used for representing numbers through the Hindu–Arabic numeral system. The most basic symbols are the decimal digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9), and the letters of the Latin alphabet. As formulas are entirely constituted with symbols of various types, many symbols are needed for expressing all mathematics. There are different symbols for each comparison aspect. This symbol is only used when the two quantities to be compared are exactly the same. Number to BigInt: compare by their numeric value.A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. The symbol used to show the equal sign is (two parallel horizontal lines).Conversion failure results in NaN, which will guarantee the equality to be false. Number to String: convert the string to a number.Then compare the two operands loosely again. If one of the operands is a Boolean but the other is not, convert the boolean to a number: true is converted to 1, and false is converted to 0.If one of the operands is a Symbol but the other is not, return false.If they are of the same type, compare them using step 1.The rest of the conversion is done case-by-case. At this step, both operands are converted to primitives (one of String, Number, Boolean, Symbol, and BigInt).If one of the operands is an object and the other is a primitive, convert the object to a primitive.If one of the operands is null or undefined, the other must also be null or undefined to return true.Symbol: return true only if both operands reference the same symbol.BigInt: return true only if both operands have the same value.Boolean: return true only if operands are both true or both false.If either operand is NaN, return false so, NaN is never equal to NaN. Number: return true only if both operands have the same value.String: return true only if both operands have the same characters in the same order.Object: return true only if both operands reference the same object.If the operands have the same type, they are compared as follows:.This can be roughly summarized as follows: The equality operators ( = and !=) provide the IsLooselyEqual semantic. Warning: unreachable code after return statement.Warning: -file- is being assigned a //# sourceMappingURL, but already has one.If the character does not have an HTML entity, you can use the decimal (dec) or hexadecimal (hex) reference. TypeError: X.prototype.y called on incompatible type If you want any of these characters displayed in HTML, you can use the HTML entity found in the table below.TypeError: setting getter-only property "x".TypeError: Reduce of empty array with no initial value.TypeError: property "x" is non-configurable and can't be deleted.TypeError: invalid assignment to const "x".TypeError: invalid 'instanceof' operand 'x'.TypeError: cannot use 'in' operator to search for 'x' in 'y'.TypeError: can't redefine non-configurable property "x".TypeError: can't delete non-configurable array element.TypeError: can't define property "x": "obj" is not extensible.TypeError: can't convert BigInt to number.TypeError: can't assign to property "x" on "y": not an object.TypeError: "x" is not a non-null object.Synta圎rror: Using to indicate sourceURL pragmas is deprecated.Synta圎rror: unterminated string literal.Synta圎rror: unparenthesized unary expression can't appear on the left-hand side of '**'.Synta圎rror: unlabeled break must be inside loop or switch.Synta圎rror: Unexpected '#' used outside of class body.Synta圎rror: test for equality (=) mistyped as assignment (=)?.Synta圎rror: redeclaration of formal parameter "x".Synta圎rror: missing = in const declaration.Unicode character class escape: \p after property list.Character class escape: \d, \D, \w, \W, \s, \S.Enumerability and ownership of properties.
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