Added detection for CSS vw unit. http://jsfiddle.net/FWeinb/etnYC/

olachan · Jul 21, 2012 · 692f1d3 · 692f1d3
1 parent 0941909
commit 692f1d3
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/feature-detects/css-vwunit.js b/feature-detects/css-vwunit.js
@@ -0,0 +1,14 @@
+// https://github.com/Modernizr/Modernizr/issues/572
+// http://jsfiddle.net/FWeinb/etnYC/
+Modernizr.addTest('cssvwunit', function(){
+    var bool;
+    Modernizr.testStyles("#modernizr { width: 50vw; }", function(elem, rule) {
+        var width = parseInt(window.innerWidth/2,10),
+            compStyle = parseInt((window.getComputedStyle ?
+                      getComputedStyle(elem, null) :
+                      elem.currentStyle)["width"],10);
+
+        bool= !!(compStyle == width);
+    });
+    return bool;
+});