From ed2945a30b75fec4963dac6c4e9993a7057234c8 Mon Sep 17 00:00:00 2001
From: Nicolas McCurdy <thenickperson@gmail.com>
Date: Sat, 10 Jan 2015 23:14:09 -0500
Subject: [PATCH 1/3] Nick's solution

---
 validator.js | 45 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/validator.js b/validator.js
index 860dab4..a5962b0 100644
--- a/validator.js
+++ b/validator.js
@@ -1,7 +1,44 @@
+// Form validators, matching to each of the four errors in order
+var validators = [
+  // Please enter a valid email address
+  function () {
+    return /^.+@.+\..+$/.test($('form input[type=text]').val());
+  },
 
-  //insert your code here
- 
-$(function(){
+  // Your password should be at least 8 characters long
+  function () {
+    return $('form input[type=password]').val().length >= 8;
+  },
 
-  //insert your code here
+  // Your password should contain at least one capital letter
+  function () {
+    return /[A-Z]/.test($('form input[type=password]').val());
+  },
+
+  // Your password should contain at least one number (0-9)
+  function () {
+    return /\d/.test($('form input[type=password]').val());
+  }
+];
+
+// Hides all validation errors
+function hideErrors() {
+  $('.errors li').hide();
+}
+
+// Runs all validators and display any errors that occur
+function validate() {
+  hideErrors();
+  validators.forEach(function (validator, index) {
+    if (!validator()) {
+      $('.errors li').eq(index).show();
+    }
+  });
+}
+
+// Run validators initially and whenever an input is updated
+$(function () {
+  hideErrors();
+  validate();
+  $('input').on('keyup', validate);
 });

From d833f392d4deb307e1f73c526643c1634159184a Mon Sep 17 00:00:00 2001
From: Nicolas McCurdy <thenickperson@gmail.com>
Date: Sat, 10 Jan 2015 23:20:42 -0500
Subject: [PATCH 2/3] Save jQuery elements to variables

---
 validator.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/validator.js b/validator.js
index a5962b0..e5d091f 100644
--- a/validator.js
+++ b/validator.js
@@ -1,29 +1,34 @@
+// jQuery elements
+var $email = $('form input[type=text]');
+var $password = $('form input[type=password]');
+var $errors = $('.errors li');
+
 // Form validators, matching to each of the four errors in order
 var validators = [
   // Please enter a valid email address
   function () {
-    return /^.+@.+\..+$/.test($('form input[type=text]').val());
+    return /^.+@.+\..+$/.test($email.val());
   },
 
   // Your password should be at least 8 characters long
   function () {
-    return $('form input[type=password]').val().length >= 8;
+    return $password.val().length >= 8;
   },
 
   // Your password should contain at least one capital letter
   function () {
-    return /[A-Z]/.test($('form input[type=password]').val());
+    return /[A-Z]/.test($password.val());
   },
 
   // Your password should contain at least one number (0-9)
   function () {
-    return /\d/.test($('form input[type=password]').val());
+    return /\d/.test($password.val());
   }
 ];
 
 // Hides all validation errors
 function hideErrors() {
-  $('.errors li').hide();
+  $errors.hide();
 }
 
 // Runs all validators and display any errors that occur
@@ -31,7 +36,7 @@ function validate() {
   hideErrors();
   validators.forEach(function (validator, index) {
     if (!validator()) {
-      $('.errors li').eq(index).show();
+      $errors.eq(index).show();
     }
   });
 }
@@ -40,5 +45,6 @@ function validate() {
 $(function () {
   hideErrors();
   validate();
-  $('input').on('keyup', validate);
+  $email.on('keyup', validate);
+  $password.on('keyup', validate);
 });

From 611204a2c2c098cb3f5eefed4fb518b4456182a4 Mon Sep 17 00:00:00 2001
From: Nicolas McCurdy <thenickperson@gmail.com>
Date: Sat, 10 Jan 2015 23:47:37 -0500
Subject: [PATCH 3/3] Disable the submit button when the form is invalid

---
 validator.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/validator.js b/validator.js
index e5d091f..3a539b9 100644
--- a/validator.js
+++ b/validator.js
@@ -1,6 +1,7 @@
 // jQuery elements
 var $email = $('form input[type=text]');
 var $password = $('form input[type=password]');
+var $submit = $('form input[type=submit]');
 var $errors = $('.errors li');
 
 // Form validators, matching to each of the four errors in order
@@ -29,6 +30,7 @@ var validators = [
 // Hides all validation errors
 function hideErrors() {
   $errors.hide();
+  $submit.prop('disabled', false);
 }
 
 // Runs all validators and display any errors that occur
@@ -37,6 +39,7 @@ function validate() {
   validators.forEach(function (validator, index) {
     if (!validator()) {
       $errors.eq(index).show();
+      $submit.prop('disabled', true);
     }
   });
 }