add support for eslint (closes #1)

Author: praffn

.eslintrc

@@ -0,0 +1,6 @@
+{
+  "extends": "airbnb-base",
+  "rules": {
+    "no-extend-native": 0
+  }
+}

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+.DS_Store

forEach.js

@@ -1,7 +1,7 @@
-/** 
+/**
  *
-  forEach() calls a provided callback function once for each element in an array in ascending order. 
-  It is not invoked for index properties that have been deleted or are uninitialized 
+  forEach() calls a provided callback function once for each element in an array in ascending order.
+  It is not invoked for index properties that have been deleted or are uninitialized
   (i.e. on sparse arrays, see example below).
 
   Callback is invoked with three arguments:
@@ -11,14 +11,14 @@
   - the Array object being traversed
 
   ** Imp
-  There is no way to stop or break a forEach() loop other than by throwing an exception. If you need such behavior, the forEach() method is the wrong tool.
-  
- * 
+  There is no way to stop or break a forEach() loop other than by throwing an exception.
+  If you need such behavior, the forEach() method is the wrong tool.
+ *
 */
 
-Array.prototype.myEach = function(callback) {
-  for (var i = 0; i < this.length; i++) {
-    if (this.hasOwnProperty(i)) {
+Array.prototype.myEach = function myEach(callback) {
+  for (let i = 0; i < this.length; i += 1) {
+    if (Object.hasOwnProperty.call(this, i)) {
       callback(this[i], i, this);
     }
   }

package.json

@@ -0,0 +1,12 @@
+{
+  "name": "native-javascript",
+  "version": "1.0.0",
+  "main": "index.js",
+  "repository": "[email protected]:kaxus/native-javascript.git",
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "^6.1.0",
+    "eslint-config-airbnb-base": "^14.0.0",
+    "eslint-plugin-import": "^2.18.2"
+  }
+}