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.

Which variable name is valid in JavaScript?

Variable names are pretty flexible as long as you follow a few rules: Start them with a letter, underscore _, or dollar sign $. After the first letter, you can use numbers, as well as letters, underscores, or dollar signs. Don't use any of JavaScript's reserved keywords.

Which of the following is not a valid variable name?

Which of the following is not a valid variable name declaration? Explanation: Variable name cannot start with a digit. 5.

Which of the following is not a valid JavaScript variable name 2 names?

Option (a) 2names is not a valid Java script variable name.

The first letter must begin with an underscore or an alphabet or a dollar sign. Here in the first option, it begins with a number. So the "2 names " is not a name of a variable in Javascript.

Which of the following is not a valid JavaScript variable name Examveda?

Solution(By Examveda Team)

No spaces are allowed in the variable names.

valid JavaScript variable names.

Which of the following is not a JavaScript object?

B) var obj = { name ="Steve"}; is not a javascript object.

Which of the following is the valid types of JavaScript?

JavaScript has six primitives types: string , number , undefined , null , boolean , and symbol . There is also a compound type or object . Interestingly, the primitive types are immutable and don't have properties.

Which is not a feature of JavaScript?

Explanation:JavaScript ignores spaces, tabs, and newlines that appear in JavaScript programs.

Which of the following is not considered a JavaScript operator?

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 not a valid variable identifier in Java?

Rules for Identifiers in Java

A valid identifier must have characters [A-Z] or [a-z] or numbers [0-9], and underscore(_) or a dollar sign ($). for example, @javatpoint is not a valid identifier because it contains a special character which is @.

Which are the valid variable name declaration?

Rules for naming a variable

A variable name can only have letters (both uppercase and lowercase letters), digits and underscore. The first letter of a variable should be either a letter or an underscore. There is no rule on how long a variable name (identifier) can be.

Which of the following are not valid JavaScript special values?

Javascript variables can have letters, digits, dollar signs ($) and underscores (_). They can't start with digits.

What are the variables in JavaScript?

A JavaScript variable is simply a name of storage location. There are two types of variables in JavaScript : local variable and global variable. There are some rules while declaring a JavaScript variable (also known as identifiers). Name must start with a letter (a to z or A to Z), underscore( _ ), or dollar( $ ) sign.

Is Myvar a legal variable name?

"Option B: my-var is not a legal variable name".

In python, a variable name must start with an alphabetic or the underscore character. Variable names in python cannot start with a digit. Variable names in Python can have any length and also consist of uppercase and lowercase in names.

Which are the valid features of JavaScript?

Which of the following statement is not true about JavaScript?

Which of the following statement is not true regarding JavaScript? JavaScript can not run in stand-alone mode (without a browser). Explanation : As the remaining all the options are correct and valid for JavaScript.

Which of the following is false about JavaScript?

"Javascript cannot be used to create cookies" This is false.

Which variable type does not apply in JavaScript?

Undefined type

A variable that has not been assigned a value has the value undefined .

How many types of variables are there in JavaScript?

JavaScript variables have only two scopes. Global Variables − A global variable has global scope which means it can be defined anywhere in your JavaScript code. Local Variables − A local variable will be visible only within a function where it is defined.

What are the three type of JavaScript?

There are six basic data types in JavaScript which can be divided into three main categories: primitive (or primary), composite (or reference), and special data types.

Which of the following is correct about JavaScript?

Which of the following is correct about JavaScript? Explanation: Although JavaScript is not an OOP (Object-Oriented Programming) language like Java or PHP, it is an object-oriented language.

Which of the following are valid ways to create an object in JavaScript?

There are four ways to create an object in JavaScript - using object literals, using the function constructor, using the Object. create method, and using the class keyword (which is almost the same as using a function constructor).

What are JavaScript objects?

In JavaScript, an object is a standalone entity, with properties and type. Compare it with a cup, for example. A cup is an object, with properties. A cup has a color, a design, weight, a material it is made of, etc. The same way, JavaScript objects can have properties, which define their characteristics.