Which of the following is the correct syntax to display Hello World in alert box using JavaScript?

Which is correct JavaScript syntax to write Hello World?

The correct answer to the question is “What is the correct JavaScript syntax to write “Hello World” is option (a). document. write(“Hello World”). This JavaScript command prints everything that is typed in between the parenthesis.

How do we write hello world in an alert box in HTML?

alert(“Hello World”) is the correct syntax for showing any messages to user. It’s just like MessageBox.

How do we write “Hello World” in an Alert Box?

  1. alertBox(“Hello World”);
  2. msgBox(“Hello World”);
  3. msg(“Hello World”);
  4. alert(“Hello World”);
  5. All Above.

How do you write hello world in an alert box in HTML?

Press the Return key to create a new blank line, and type:

alert(‘hello world’); You’ve just typed your first line of JavaScript code. The JavaScript alert() function is a command that pops open an Alert box and displays the message that appears inside the parentheses—in this case, hello world.

How do I show var value in Alert?

Type “alert (“Hey, ” + name + “!”);”. This line of code will add the variable “name” to the word “Hey, “(with the space at the end), and then add “!” to end the sentence (not required). For example, if the user inputs “Trevor” as the value of the variable “name”, the alert will say “Heya, Trevor!”.

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How do you call a function named myFunction?

Define a function named “myFunction”, and make it display “Hello World!” in the <p> element. Hint: Use the function keyword to define the function (followed by a name, followed by parentheses). Place the code you want executed by the function, inside curly brackets. Then, call the function.

What is the main focus of jQuery?

The main purpose of jQuery is to provide an easy way to use JavaScript on your website to make it more interactive and attractive. It is also used to add animation.

What is JavaScript operator?

JavaScript includes operators same as other languages. An operator performs some operation on single or multiple operands (data value) and produces a result. For example, in 1 + 2 , the + sign is an operator and 1 is left side operand and 2 is right side operand.

Which HTML element do we put the JavaScript?

Explanation: The <script> tag is used to contain javascript code.

How does a for loop start?

The loop initialization where we initialize our counter to a starting value. The initialization statement is executed before the loop begins. If the condition is true, then the code given inside the loop will be executed, otherwise the control will come out of the loop. …

Is JavaScript the same as Java?

The JavaScript programming language, developed by Netscape, Inc., is not part of the Java platform. … Java is an OOP programming language while Java Script is an OOP scripting language. Java creates applications that run in a virtual machine or browser while JavaScript code is run on a browser only.

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Where do I write JavaScript code?

JavaScript provides 3 places to put the JavaScript code: within body tag, within head tag and external JavaScript file. Let’s create the first JavaScript example. The script tag specifies that we are using JavaScript. The text/javascript is the content type that provides information to the browser about the data.