[Pkg-javascript-commits] [leaflet] 228/301: use classList for class ops where available; ref #2164

[Jonas Smedegaard]

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js pushed a commit to branch master
in repository leaflet.

commit 9babc039f0936b1731ea8ef9393e75c6c2cdc6c2
Author: Vladimir Agafonkin <agafonkin at gmail.com>
Date:   Tue Nov 12 17:50:45 2013 +0200

    use classList for class ops where available; ref #2164
    
    makes it much faster, and also makes adding/removing classes work for
    SVG elements
---
 src/dom/DomUtil.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/dom/DomUtil.js b/src/dom/DomUtil.js
index 186cfde..6b399f2 100644
--- a/src/dom/DomUtil.js
+++ b/src/dom/DomUtil.js
@@ -104,18 +104,30 @@ L.DomUtil = {
 	},
 
 	hasClass: function (el, name) {
+		if ('classList' in el) {
+			return el.classList.contains(name);
+		}
 		return (el.className.length > 0) &&
 		        new RegExp('(^|\\s)' + name + '(\\s|$)').test(el.className);
 	},
 
 	addClass: function (el, name) {
-		if (!L.DomUtil.hasClass(el, name)) {
+		if ('classList' in el) {
+			var classes = L.Util.splitWords(name);
+			for (var i = 0, len = classes.length; i < len; i++) {
+				el.classList.add(classes[i]);
+			}
+		} else if (!L.DomUtil.hasClass(el, name)) {
 			el.className += (el.className ? ' ' : '') + name;
 		}
 	},
 
 	removeClass: function (el, name) {
-		el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
+		if ('classList' in el) {
+			el.classList.remove(name);
+		} else {
+			el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
+		}
 	},
 
 	setOpacity: function (el, value) {

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