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Expand file tree Collapse file tree Original file line number Diff line number Diff line change @@ -21,10 +21,21 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
2121 < img src ="https://source.unsplash.com/7bwQXzbF6KE/800x500 ">
2222
2323 < style >
24+ : root {
25+ --base : # ffc600 ;
26+ --spacing : 10px ;
27+ --blur : 10px ;
28+ }
29+
30+ img {
31+ padding : var (--spacing );
32+ background : var (--base );
33+ filter : blur (var (--blur ));
34+ }
2435
25- /*
26- misc styles, nothing to do with CSS variables
27- */
36+ h1 {
37+ color : var ( --base );
38+ }
2839
2940 body {
3041 text-align : center;
@@ -45,6 +56,16 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
4556 </ style >
4657
4758 < script >
59+ const inputs = document . querySelectorAll ( '.controls input' ) ;
60+
61+ const handleUpdate = ( event ) => {
62+ const suffix = event . target . dataset . sizing || '' ;
63+ console . log ( suffix ) ;
64+ document . documentElement . style . setProperty ( `--${ event . target . name } ` , event . target . value + suffix ) ;
65+ }
66+
67+ inputs . forEach ( input => input . addEventListener ( 'change' , handleUpdate ) ) ;
68+ inputs . forEach ( input => input . addEventListener ( 'mousemove' , handleUpdate ) ) ;
4869 </ script >
4970
5071</ body >
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