layer.prompt function

layer.prompt is a JavaScript function, usually used to display a dialog box in a web page, prompting the user to enter information or make a choice. The syntax is "layer.prompt(options, callback);". Its functions are The following two points: 1. Display a user input dialog box, which can be used to obtain the text or selection entered by the user; 2. It can be used in various interactive scenarios, such as popping up a confirmation box, entering user name and password, etc.

layer.prompt is a JavaScript function that is usually used to display a dialog box in a web page to prompt the user to enter information or make a selection. Its usage and function are as follows:

Usage:

layer.prompt(options, callback);

Parameter description:

• options (required): an object containing configuration options, used to define The appearance and behavior of the dialog box. Common options include:
  • title: The title of the dialog box.
  • value: The default value of the input box.
  • formType: The type of input box, which can be 0 (text input box) or 1 (password input box).
  • btn: The display text of the button, the default is ['OK', 'Cancel'].
  • For other options, please refer to the specific usage documentation.
• callback (required): A callback function used to handle the operation after the user clicks the button. The parameter of the callback function is the value entered by the user (if it is an input box) or the button index (if it is a selection box).

Function:

• Displays a user input dialog box, which can be used to obtain text or selections entered by the user.
• can be used in various interactive scenarios, such as popping up a confirmation box, entering username and password, etc.

Sample code:

layer.prompt({title: '请输入您的姓名：'}, function(value, index, elem) {
  console.log('您输入的姓名是：' + value);
  layer.close(index); // 关闭对话框
});

The above is a simple example that displays a dialog box with a text input box. After the user enters the name, the value will be output to the callback function through the callback function. console and close the dialog box.

Please note that layer.prompt is a function based on the Layer pop-up plug-in, and the relevant Layer library files need to be introduced into the web page for normal use. For specific usage methods, please refer to the official documentation or related tutorials of the Layer plug-in.

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