Which of the following JavaScript symbol means concatenation?

The JavaScript concatenation operator is a plus sign (+). This operator lets you add the contents of two or more strings together to create one larger string.

Which sign is used for concatenation in JavaScript?

The + Operator

The same + operator you use for adding two numbers can be used to concatenate two strings.

Which of the following is JavaScript concatenation operator?

When used on strings, the + operator is called the concatenation operator.

What is the symbol of concatenation?

Concatenation means joining two strings together, and in many programming languages, the symbol used for concatenation is a plus ( + ).

What does += mean in JavaScript?

The addition assignment operator ( += ) adds the value of the right operand to a variable and assigns the result to the variable. … Addition or concatenation is possible.

What are the disadvantages of JavaScript?

Disadvantages of JavaScript

  • Client-side Security. Since the JavaScript code is viewable to the user, others may use it for malicious purposes. …
  • Browser Support. The browser interprets JavaScript differently in different browsers. …
  • Lack of Debugging Facility. …
  • Single Inheritance. …
  • Sluggish Bitwise Function. …
  • Rendering Stopped.
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What is the use of concatenation in JavaScript choose one?

The JavaScript concat() method merges the contents of two or more strings. You can also use the + concatenation operator to merge multiple strings. The concatenation operator is preferred in most cases as it is more concise. Concatenation is a technique used in programming to merge two or more strings into one value.

What does -= mean in coding?

The subtraction assignment operator ( -= ) subtracts the value of the right operand from a variable and assigns the result to the variable.

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 the main purpose of JavaScript?

JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.

What is concatenation give example?

In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end. For example, the concatenation of “snow” and “ball” is “snowball”.

What is concatenate formula?

Use CONCATENATE, one of the text functions, to join two or more text strings into one string. Important: In Excel 2016, Excel Mobile, and Excel for the web, this function has been replaced with the CONCAT function.

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What is an example of concatenation?

The concatenation of two or more numbers is the number formed by concatenating their numerals. … For example, the concatenation of 1, 234, and 5678 is 12345678.

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