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color the line begin with

usafshah
100+
P: 104
In html/css/javascript, is it possible to change the color of the line for which you set certain parameters like if the line begin with # , then change with color of the line blue

example:
================================================
This is normal line
#This line should automatically get blue via javascript or whatever
the next line is again normal line
================================================

I hope you get my point, any help is much appreciated

Thanks.
Apr 9 '08 #1
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3 Replies


acoder
Expert Mod 15k+
P: 16,027
Yes, this should be possible if you take the text and split using newlines, then check the first character and add spans around the content that needs to be colored blue, then finally write this content back to the content holding element.
Apr 9 '08 #2

usafshah
100+
P: 104
I tried but I couldn't get it working, if you can give an example here as I'm not good at scripting stuff.
Apr 9 '08 #3

acoder
Expert Mod 15k+
P: 16,027
An example to give you an idea:
Expand|Select|Wrap|Line Numbers
  1. <style>
  2. .blue { color: blue; }
  3. </style>
  4. <script>
  5. function colorBlue() {
  6.   var cd = document.getElementById("content");
  7.   var content = cd.innerHTML.split("\n");
  8.   for (i = 0; i < content.length; i++) {
  9.     if (content[i].charAt(0) == "#") {
  10.       content[i] = "<span class='blue'>"+content[i]+"</span>";
  11.     }
  12.   }
  13.   cd.innerHTML = content.join("\n");
  14. }
  15. window.onload = colorBlue;
I've split on the newline, but if you mean a newline in HTML output, you could split on "<br>". I've also assumed a div named "content" - you could change this to document.body.
Apr 10 '08 #4

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