How to use prompt in js

In JavaScript, the prompt() method displays a dialog box in the browser, allowing the user to enter text. Usage: let input = prompt(message[, default]), where message is the prompt message and default is the optional default value. This method returns the text entered by the user, or null if no input was entered. Tip: When using this method, keep your message concise and validate user input.

Using the prompt() method in JavaScript

What is it?
The prompt() method displays a dialog box in the browser, allowing the user to enter text.

Usage:

let input = prompt(message[, default]);

Parameters:

• message: To be displayed to the user prompt message.
• default (optional): The default value displayed in the input field.

Return value:

• The text entered by the user, or null if there is no input.

Example:

// 显示提示消息并获取用户输入
let name = prompt("请输入您的姓名：");

Prompt:

• prompt() method is synchronous, this Meaning it blocks script execution until the user closes the dialog box or presses the Enter key.
• The user can click the Cancel button in the dialog box or press the Esc key to close the dialog box, in which case null will be returned.
• When using the prompt() method, make sure the message is clear and concise.
• Verify the validity of user input, such as using regular expressions or other validation methods.
• Do not use the prompt() method to collect sensitive information because it is not secure.

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