Added jshint task in Gruntfile, see #48

.jshintrc

@@ -0,0 +1,16 @@
+{
+	"bitwise": true,
+	"browser": true,
+	"curly": true,
+	"eqeqeq": true,
+	"eqnull": true,
+	"esnext": true,
+	"immed": true,
+	"jquery": true,
+	"latedef": true,
+	"newcap": true,
+	"noarg": true,
+	"node": true,
+	"strict": false,
+	"trailing": true
+}

Gruntfile.js

@@ -82,6 +82,15 @@ module.exports = function(grunt) {
 			}
 		},
 
+		jshint: {
+			options: {
+				jshintrc: '.jshintrc'
+			},
+			all: [
+				'assets/js/settings.js'
+			]
+		},
+
 		bumpup: {
 			options: {
 				updateProps: {
@@ -157,6 +166,7 @@ module.exports = function(grunt) {
 					'!.git/**',
 					'!tests/**',
 					'!.travis.yml',
+					'!.jshintrc',
 					'!README.md',
 					'!phpunit.xml',
 					'!vendor/**',

assets/js/settings.js

@@ -1,3 +1,5 @@
+'use strict';
+
 ( function ( $, undefined ) {
 	var AAL = {
 		$wrapper: {},

package.json

@@ -9,6 +9,8 @@
 		"grunt-checktextdomain": "~0.1.1",
 		"grunt-pot": "~0.1.2",
 		"grunt-phpunit": "~0.3.3",
+		"grunt-contrib-jshint": "~0.6.4",
+		"grunt-contrib-watch": "~0.3.1",
 		"grunt-wp-readme-to-markdown-with-extra": "~0.6.0",
 		"grunt-bumpup": "~0.5.2",
 		"grunt-shell": "~0.6.4",