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How to wrap prompt in js
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- 2024-05-01 06:24:14612browse
When using the prompt() method in JavaScript, you can achieve line breaks through the following three methods: 1. Insert the "\n" character at the position where you want to break the line; 2. Use the line break character in the prompt text; 3 . Use CSS "white-space: pre" style to force line breaks.
How to use the prompt() method in JavaScript for line breaks
prompt() in JavaScript method provides a way to get user input, but it does not wrap the input by default.
To make the prompt() method support line breaks, you can use the following method:
-
Use the \n character:
- Insert the "\n" character at the position where you want to break the line. For example:
<code>var input = prompt("请输入多行文本\n第一行：\n第二行：");</code> -
Using multi-line prompt text:
- You can use line breaks to create multiple lines in the prompt text . For example:
<code>var input = prompt(" 请输入多行文本： 第一行： 第二行：");</code> -
Use CSS style:
- You can use the CSS "white-space: pre" style to The text is forced to wrap. For example:
<code><!DOCTYPE html> <html> <head> <style> .prompt-dialog { white-space: pre; } </style> </head> <body> <script> var input = prompt("请输入多行文本（使用 CSS 样式换行）："); </script> </body> </html></code>
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