Which of the following is an if statement in JavaScript?

What type is an if statement?

There are three forms of IF statements: IF-THEN , IF-THEN-ELSE , and IF-THEN-ELSIF . The simplest form of IF statement associates a Boolean expression with a sequence of statements enclosed by the keywords THEN and END IF . The sequence of statements is executed only if the expression returns TRUE .

How many else if statements can you have in JavaScript?

5 Answers. There isn’t a limit to the number of if statements. The issue is that one of the previous if statements catches the case you’re testing. Go through each if statements for the case your testing and see if it’s beging caught by a previous one.

What are the three types of statements in JavaScript?

JavaScript supports the for , do while , and while loop statements, as well as label (label is not itself a looping statement, but is frequently used with these statements). In addition, you can use the break and continue statements within loop statements.

What is if else statement with example?

The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript’s “Conditional” Statements, which are used to perform different actions based on different conditions.

THIS IS IMPORTANT:  Quick Answer: How do I select top 2 records in SQL?

What is else if?

Alternatively referred to as elsif, else if is a conditional statement performed after an if statement that, if true, performs a function. … The above example shows how elsif could be used to create an additional conditional statement and not only an if or else statement.

What is if statement use?

The IF function is one of the most popular functions in Excel, and it allows you to make logical comparisons between a value and what you expect. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False.

How do you explain an if statement?

A good way to think of the if statement is as a true or false question. They ask the program if something is true, and tell it what to do next based on the answer. So, if statements essentially mean: ‘If something is true, then do something, otherwise do something else.

Can you do multiple if statements?

It is possible to nest multiple IF functions within one Excel formula. You can nest up to 7 IF functions to create a complex IF THEN ELSE statement. TIP: If you have Excel 2016, try the new IFS function instead of nesting multiple IF functions.

What is nested IF statement?

Nested IF functions, meaning one IF function inside of another, allow you to test multiple criteria and increases the number of possible outcomes.

Can you have two ELSE statements?

You can have as many else if statements as necessary. In the case of many else if statements, the switch statement might be preferred for readability. As an example of multiple else if statements, we can create a grading app that will output a letter grade based on a score out of 100.

THIS IS IMPORTANT:  Quick Answer: Does SQL use whitespace?

What are the features of JavaScript?

Javascript Features

  • Light Weight Scripting language.
  • Dynamic Typing.
  • Object-oriented programming support.
  • Functional Style.
  • Platform Independent.
  • Prototype-based.
  • Interpreted Language.
  • Async Processing.

What is a JavaScript statement?

Statements are used in JavaScript to control its program flow. Unlike properties, methods, and events, which are fundamentally tied to the object that owns them, statements are designed to work independently of any JavaScript object.

What is Webjs?

JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, …

Categories BD