What is prompt keyword in JavaScript?

prompt() instructs the browser to display a dialog with an optional message prompting the user to input some text, and to wait until the user either submits the text or cancels the dialog.

What is alert and prompt in JavaScript?

alert. shows a message. prompt. shows a message asking the user to input text. It returns the text or, if Cancel button or Esc is clicked, null .

How do you prompt a question in JavaScript?

To ask for user input in JavaScript, you can use the built-in prompt box. To show a prompt, use the prompt() method.

What is the JavaScript keyword used to throw alert messages?

JavaScript alert() The alert() method in JavaScript is used to display a virtual alert box. It is mostly used to give a warning message to the users. It displays an alert dialog box that consists of some specified message (which is optional) and an OK button.

What is a prompt code?

Prompt Command Codes The prompt command is used to change the appearance and behavior of the actual prompt text that precedes the entering of commands in the Command Prompt window.

How do you prompt an object in JavaScript?

The Prompt test object corresponds to browser input boxes displayed by JavaScript prompt function. To get the prompt text, you can use the Message property. You can also use the Value property to get or set the inputted value. To close the prompt box, you can simulate a click on the OK or Cancel button.

What is the difference between alert and prompt?

An alert is a popup that has a notice within it. A prompt has an input field and expects the user to interact with it by entering some data.

What does prompt the user mean?

prompt is used to literally “prompt” the user to answer something or enter information that you are asking for. You will prompt a user for their input like so: prompt(“What do you choose, rock, paper, scissors?”

How do you alert a variable in JavaScript?

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!”.