How to implement line break in alert

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Release： 2023-11-07 10:50:39

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alert implements line breaks by using the br tag.

How to implement line break in alert

In HTML, to implement line breaks in the alert dialog box, you can use the br tag. The br tag indicates a line break, that is, starting a new line at this tag. The following is a simple example:

<!DOCTYPE html>
<html>
<head>
<style>
  alert {
    color: red;
    font-size: 18px;
  }
</style>
</head>
<body>
<script>
  alert("这是一个警告框！\n这里开始新的一行。");
</script>
</body>
</html>

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In this example, we use the br tag in the alert dialog box to make "A new line starts here" appear on a new line in the dialog box. Note that the br tag is valid in both HTML and XML

, but in other markup languages you may need to use other methods to achieve line breaks.

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