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I want to change the font color of my div on the click of a button using javascript. I have two buttons, 'Green" and 'Red'.

<button type="button" class="green">Green</button>
<button type="button" class="red">Red</button>

This is my div

<div id="timer"></div>

currently the font is red (default color), but once 'green' is clicked it will go green and when 'red' is clicked it will go back to red.

I know this is probably very simply but for some reason I can't get it to work :)

If you know how would be greatly appreciated.

I want to change the font color of my div on the click of a button using javascript. I have two buttons, 'Green" and 'Red'.

<button type="button" class="green">Green</button>
<button type="button" class="red">Red</button>

This is my div

<div id="timer"></div>

currently the font is red (default color), but once 'green' is clicked it will go green and when 'red' is clicked it will go back to red.

I know this is probably very simply but for some reason I can't get it to work :)

If you know how would be greatly appreciated.

  • javascript
  • html
  • css
  • button
  • colors
Share Improve this question asked Nov 21, 2014 at 10:34 user3594463user3594463 1231 gold badge5 silver badges13 bronze badges
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5 Answers 5

Reset to default 3

I think it's the simplest solution to change color without Jquery : http://jsfiddle/8jay6r3n/

Just add onclick event to button like this : onclick="document.getElementById('timer').style.color = 'red'"

Some documentation about it exist here : http://www.w3schools./js/js_htmldom_css.asp

If you want to use jQuery, than here example http://jsfiddle/8jay6r3n/2/ You can use inline style or add class to change color of text.

If you're getting started with this stuff, you will have a much easier time if you use the jQuery library.

Simply add the following code inside the <head> of your document to install jQuery and give you access to the $ function:

<script src="http://ajax.googleapis./ajax/libs/jquery/1.11.1/jquery.min.js"></script>

Now your solution should be something like:

$('#green').click( function() { $('#timer').css('color','green'); } );
$('#red').click( function() { $('#timer').css('color','red'); } );

This is a example with links :

the Javascript :

<script language="javascript">
function changecolor(color) {

document.getElementById('timer').style.color=color;

}

</script>

Your links :

<a href="javascript:changecolor('#000000');">Black</a> 
<a href="javascript:changecolor('#FF0000');">Red</a>

Your div :

<div id="timer" style="font-weight:bold; font-size:10px">Timer</div>

For buttons, its probably the same.

try this using jQuery

$('.green').click( function() { $('#timer').css('color','green'); } );
$('.red').click( function() { $('#timer').css('color','red'); } );

http://jsfiddle/8dhzK/55/

If you are using jquery then it will be lot easier to implement. You can the function in either js file or <script> tag.

   $('#timer').css('color','green'); 
});
$('#red').click( function() {
   $('#timer').css('color','red'); 
});

And if you want to use pure javascript, use either "addEventListener" or 'click' for the click event and then add styling in each tag/element you want to apply css on.

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