Add nth-child feature-detect

Modernizr · Sep 6, 2012 · d1e9add · d1e9add
1 parent 9f7e7dd
commit d1e9add
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/feature-detects/css-nthchild.js b/feature-detects/css-nthchild.js
@@ -0,0 +1,13 @@
+// nth-child pseudo selector
+Modernizr.addTest('nthchild', function(){
+
+  return Modernizr.testStyles("#modernizr div {width:1px} #modernizr div:nth-child(2n) {width:2px;}", function (elem) {
+    var elems = elem.getElementsByTagName("div"),
+    test = true;
+    for (i=0; i<5; i++) {
+      test = test && elems[i].offsetWidth == i%2+1;
+    }
+    return test;
+  }, 5);
+
+});