Merge branch 'develop'

Author: rgalus

package.json

@@ -25,10 +25,10 @@
   },
   "homepage": "https://github.com/rgalus/sticky-js#readme",
   "devDependencies": {
-    "babel-core": "^6.18.2",
-    "babel-preset-es2015": "^6.18.0",
-    "babel-register": "^6.18.0",
-    "browser-sync": "^2.18.2",
+    "babel-core": "^6.22.1",
+    "babel-preset-es2015": "^6.22.0",
+    "babel-register": "^6.22.0",
+    "browser-sync": "^2.18.6",
     "del": "^2.2.2",
     "gulp": "github:gulpjs/gulp#4.0",
     "gulp-babel": "^6.1.2",

src/sticky.js

@@ -29,7 +29,7 @@ class Sticky {
 
     this.options = {
       marginTop: options.marginTop || 0,
-      stickyFor: options.stickFor || 0,
+      stickyFor: options.stickyFor || 0,
       stickyClass: options.stickyClass || null,
       stickyContainer: options.stickyContainer || 'body',
     };
@@ -80,7 +80,7 @@ class Sticky {
     element.sticky.rect = this.getRectangle(element);
 
     // fix when element is image that has not yet loaded and width, height = 0
-    if (element.tagName.toLowerCase === 'img') {
+    if (element.tagName.toLowerCase() === 'img') {
       element.onload = () => element.sticky.rect = this.getRectangle(element);
     }