1 Answer. The correct answer to this question “Which of the following is not considered a JavaScript operator” is option (b). this. Other than “this” all the other options are the JavaScript operators.
Which of the following is a JavaScript operator?
JavaScript provides the following logical operators. && is known as AND operator. It checks whether two operands are non-zero or not (0, false, undefined, null or "" are considered as zero). It returns 1 if they are non-zero; otherwise, returns 0.
What are the types of JavaScript operators?
There are following types of operators in JavaScript.
- Arithmetic Operators.
- Comparison (Relational) Operators.
- Bitwise Operators.
- Logical Operators.
- Assignment Operators.
- Special Operators.
Which of the following is not only a mathematical operator in JavaScript?
& operator is not an arithmetic operator
The basic arithmetic operations are addition, subtraction, multiplication, and division. There are more arithmetic operators like exponentiation, modulus operations, increment, decrement, etc. * - Multiplication operator. So, And operator is not an arithmetic operator.
Which one is not a JavaScript object type?
Definitely, null is not an object. It is a special value with a separate type of its own. The behavior of typeof is wrong here. The result of typeof alert is "function" , because alert is a function.
25 related questions foundWhich is not a JavaScript framework?
Which of the following is not a framework? Explanation: One of the most popular frameworks is jQuery which is used in web development. Here, JavaScript is a scripting language and not a framework.
What are the 7 most common JavaScript operators?
- Assignment operators. An assignment operator is a binary operator. ...
- Comparison operators. A comparison operator is a binary operator. ...
- Arithmetic operators. An arithmetic operator can be a binary or unary operator. ...
- Logical operators. ...
- String operators. ...
- Ternary (conditional) operator.
What is not in JavaScript?
The logical NOT ( ! ) operator (logical complement, negation) takes truth to falsity and vice versa. It is typically used with boolean (logical) values. When used with non-Boolean values, it returns false if its single operand can be converted to true ; otherwise, returns true .
Is JavaScript an operator?
An operator is capable of manipulating a certain value or operand. Operators are used to perform specific mathematical and logical computations on operands. In other words, we can say that an operator operates the operands. In JavaScript operators are used for compare values, perform arithmetic operations etc.
What is or operator in JavaScript?
The logical OR ( || ) operator (logical disjunction) for a set of operands is true if and only if one or more of its operands is true. It is typically used with boolean (logical) values.
Which of the following is not a valid JavaScript variable name?
JavaScript variable names should not start with a numeral (0-9). They must begin with a letter or an underscore character. For example, 123test is an invalid variable name but _123test is a valid one.
What are JavaScript functions?
A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output.
What is the not not operator?
not not) is the repetition of the unary logical operator not(!) twice. The double negation(!!) operator calculates the truth value of a value. This operator returns a boolean value, which depends on the truthiness of the given expression.
Is not function in JavaScript?
The JavaScript exception "is not a function" occurs when there was an attempt to call a value from a function, but the value is not actually a function.
How do you do if not in JavaScript?
“javascript if not” Code Answer's
- var isDay = false;
- if (! isDay) { //Will execute if isDay is false.
- console. log("It's night");
- }
What is operator types of operators?
There are three types of operator that programmers use: arithmetic operators. relational operators. logical operators.
Which is not a reserved word in JavaScript?
An Identifier is an IdentifierName that is not a ReservedWord . The spec describes four groups of reserved words: keywords, future reserved words, null literals and boolean literals.
What does 3 dots mean in JavaScript?
(three dots in JavaScript) is called the Spread Syntax or Spread Operator. This allows an iterable such as an array expression or string to be expanded or an object expression to be expanded wherever placed. This is not specific to React. It is a JavaScript operator.
Which is not a framework of JavaScript Mcq?
Which of the following is not a framework? Explanation: jQuery, which is used in web development, is one of the most popular frameworks. JavaScript is a scripting language, not a framework, in this case.
Which is a JavaScript framework?
And that's where JavaScript frameworks come into play. At their most basic, JS frameworks are collections of JavaScript code libraries (see below) that provide developers with pre-written JS code to use for routine programming features and tasks—literally a framework to build websites or web applications around.
How many JavaScript frameworks are there?
In case you're wondering how many JavaScript frameworks are there, according to Wikipedia (which isn't the most trusty source, but hey), there are at least 24 JS frameworks and around 83 libraries.
How many types of JavaScript functions are there?
There are 3 ways of writing a function in JavaScript: Function Declaration. Function Expression. Arrow Function.
What is function in JavaScript with example?
In Javascript, functions can also be defined as expressions. For example, // program to find the square of a number // function is declared inside the variable let x = function (num) { return num * num }; console.log(x(4)); // can be used as variable value for other variables let y = x(3); console.log(y); Run Code.
