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How to wrap alert in javascript

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Release: 2024-05-08 22:00:24
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How to wrap the alert box in JavaScript: use \n escape character: const myString = "First line\nSecond line\nThird line"; alert(myString);Use HTML

How to wrap alert in javascript

How to wrap the line in the alert box in JavaScript

In JavaScript, you can use \n Escape characters wrap in alert boxes.

Here's how to do it:

<code class="javascript">// 创建一个字符串,其中包含多个换行符
const myString = "第一行\n第二行\n第三行";

// 使用 `alert()` 函数显示字符串
alert(myString);</code>
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Result:

##Other ways to wrap lines

Besides using

\ n In addition to escaping characters, there are other ways to wrap lines in alert boxes:

  • HTML
    Tags:

    tags can be included in the string to force newlines.

    <code class="javascript">const myString = "第一行<br>第二行<br>第三行";
    alert(myString);</code>
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  • CSS white-space Attribute: You can set the white-space attribute of a string to pre-line, which preserves line breaks and wraps automatically.

    <code class="javascript">const myString = `
    第一行
    第二行
    第三行
    `;
    alert(myString);</code>
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