JavaScript operators are special symbols that perform operations on one or more operands (values). For example, 2 + 3; // 5 Here, we used the + operator to add the operands 2 and 3. JavaScript Operator Types Here is a list of different JavaScript operators you will learn in this ...
Bitwise operators treat its operands as a set of 32-bit binary digits (zeros and ones) and perform actions. However, the result is shown as a decimal value. OperatorsNameExample & Bitwise AND x & y | Bitwise OR x | y ^ Bitwise XOR x ^ y ~ Bitwise NOT ~x << Left shift x << ...
For example, plus, minus, multiplication, divide and modulus. So all these operators means first assign so and so value and then perform the operation, means if I take plus equal to(+=), the execution will be like this, if a+=b means a equal to a plus b, I will repeat once again...
String Operators Logical Operators Bitwise Operators Ternary Operators Type Operators JavaScript Arithmetic Operators Arithmetic Operatorsare used to perform arithmetic on numbers: Arithmetic Operators Example leta =3; letx = (100+50) * a; Try it Yourself » ...
functionsum(...args:number[]){returnargs.reduce((sum,current)=>sum+current,0);}//function can be invoked with any number of parameterssum();//0sum(1);//1sum(1,2);//3sum(1,2,3,4);//10 2. Spread Operator Example Let us check out a few examples of the spread operator to und...
JavaScript Bitwise Operators OperatorNameDescription &ANDSets each bit to 1 if both bits are 1 |ORSets each bit to 1 if one of two bits is 1 ^XORSets each bit to 1 if only one of two bits is 1 ~NOTInverts all the bits <<Zero fill left shiftShifts left by pushing zeros in from...
RelationalOperatorsExample01.htm 中包含本节所有的代码片段 与 ECMAScript 中的其他操作符一样,当关系操作符的操作数使用了非数值时,也要进行数据转换或完成某些奇怪的操作。以下就是相应的规则。 如果两个操作数都是数值,则执行数值比较。 如果两个操作数都是字符串,则比较两个字符串对应的字符编码值。 如果一个...
Using Logical Operators with Non-Boolean Values# In JavaScript, the logical operators have different semantics than other C-like languages, though. They can operate on expressions ofany type, not just booleans. Also,the logical operators do not always return a boolean value, as the specification...
Since we’re talking about type coercion and comparisons, it’s worth mentioning that comparingNaNwithanything(evenNaN!) willalwaysreturnfalse.You therefore cannot use the equality operators (==,===,!=,!==) to determine whether a value isNaNor not.Instead, use the built-in globalisNaN()fu...
包装实例是对象,JavaScript 中没有办法比较对象,甚至不能通过宽松相等==进行比较(见[相等运算符:=与](ch09.html#equality_operators "相等运算符:=与")): > var a = new String('abc'); > var b = new String('abc'); > a == b false ...