Dealing with the challenge of line breaks across different browsers: Showing content retrieved from an ajax request in a

This file contains text with line breaks: https://i.sstatic.net/n8tSh.png

To display the text in a textarea, I'm using the following style:

textarea.journalctl{ 
     width:       640px; 
     height:      620px; 
     white-space: nowrap;
}

Chrome displays the text correctly, with wraps only at the end of each line. Both horizontal and vertical scroll bars are active.

Textarea in Chrome: https://i.sstatic.net/WjHrI.png

Textarea in Firefox showing all text in one line: https://i.sstatic.net/TsiTG.png

How can I make them behave consistently? Wrapping the text only after a line break in the original file?

css

Answer №1

One creative workaround is to utilize the -moz- variation of the @document rule. The -moz- prefix is exclusive to Mozilla, allowing you to apply CSS specifically for Mozilla browsers.

textarea {
  width: 16em; height: 4em;
  display: block;
}

/* applicable to all browsers */
#ta1 {
  white-space: nowrap;
}

/* Exclusive to Mozilla: applied to all URLs prefixed with '' (all URLs) */
@-moz-document url-prefix() {
  #ta1 {
    white-space: pre;
  }
}
<textarea id="ta1">Line one is very long but shouldn't wrap
line two</textarea>

This method is temporary in nature. Vendor prefixes like -moz- are typically short-lived, so it's uncertain how long this approach will remain functional.

Then there's Internet Explorer. In the past, targeting IE specifically was achievable through a conditional comment.

<!--[if IE]>
<style>
  #ta1 {
    white-space:pre;
  }
</style>
<![endif]-->

However, this technique is obsolete as of IE10. As such, finding a solution for IE may involve using JavaScript to dynamically add or remove style blocks.

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