| Challenges | Completed | Last Updated | Solution |
|---|
| Say Hello to HTML Elements | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Headline with the h2 Element | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Inform with the Paragraph Element | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Uncomment HTML | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Comment out HTML | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Fill in the Blank with Placeholder Text | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Delete HTML Elements | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Change the Color of Text | Sep 12, 2015 | Feb 26, 2016 | View solution | View solution |
| Use CSS Selectors to Style Elements | Sep 12, 2015 | Feb 27, 2016 | View solution | View solution |
| Use a CSS Class to Style an Element | Sep 12, 2015 | Feb 27, 2016 | View solution | View solution |
| Style Multiple Elements with a CSS Class | Sep 12, 2015 | Feb 27, 2016 | View solution | View solution |
| Change the Font Size of an Element | Sep 12, 2015 | Feb 27, 2016 | View solution | View solution |
| Set the Font Family of an Element | Sep 12, 2015 | Feb 27, 2016 | View solution | View solution |
| Import a Google Font | Sep 13, 2015 | Feb 27, 2016 | View solution | View solution |
| Specify How Fonts Should Degrade | Sep 15, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Images to your Website | Sep 15, 2015 | Feb 27, 2016 | View solution | View solution |
| Size your Images | Sep 15, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Borders Around your Elements | Sep 15, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Rounded Corners with a Border Radius | Sep 16, 2015 | Feb 27, 2016 | View solution | View solution |
| Make Circular Images with a Border Radius | Sep 16, 2015 | Feb 27, 2016 | View solution | View solution |
| Link to External Pages with Anchor Elements | Sep 16, 2015 | Feb 27, 2016 | View solution | View solution |
| Nest an Anchor Element within a Paragraph | Sep 17, 2015 | Feb 27, 2016 | View solution | View solution |
| Make Dead Links using the Hash Symbol | Sep 17, 2015 | Feb 27, 2016 | View solution | View solution |
| Turn an Image into a Link | Sep 17, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Alt Text to an Image for Accessibility | Sep 19, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Bulleted Unordered List | Sep 19, 2015 | Feb 27, 2016 | View solution | View solution |
| Create an Ordered List | Sep 19, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Text Field | Sep 19, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Placeholder Text to a Text Field | Sep 19, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Form Element | Sep 20, 2015 | Feb 27, 2016 | View solution | View solution |
| Add a Submit Button to a Form | Sep 20, 2015 | Feb 27, 2016 | View solution | View solution |
| Use HTML5 to Require a Field | Sep 20, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Set of Radio Buttons | Sep 22, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Set of Checkboxes | Sep 22, 2015 | Feb 27, 2016 | View solution | View solution |
| Check Radio Buttons and Checkboxes by Default | Sep 22, 2015 | Feb 27, 2016 | View solution | View solution |
| Nest Many Elements within a Single Div Element | Sep 22, 2015 | Feb 27, 2016 | View solution | View solution |
| Give a Background Color to a Div Element | Sep 23, 2015 | Feb 27, 2016 | View solution | View solution |
| Set the ID of an Element | Sep 23, 2015 | Feb 27, 2016 | View solution | View solution |
| Use an ID Attribute to Style an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Adjusting the Padding of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Adjust the Margin of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Add a Negative Margin to an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Different Padding to Each Side of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Different Margins to Each Side of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Clockwise Notation to Specify the Padding of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Clockwise Notation to Specify the Margin of an Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Style the HTML Body Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Inherit Styles from the Body Element | Sep 24, 2015 | Feb 27, 2016 | View solution | View solution |
| Prioritize One Style Over Another | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Override Styles in Subsequent CSS | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Override Class Declarations by Styling ID Attributes | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Override Class Declarations with Inline Styles | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Override All Other Styles by using Important | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code for Specific Colors | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Color Elements White | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Color Elements Red | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Color Elements Green | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Color Elements Blue | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Mix Colors | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code to Color Elements Gray | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Hex Code for Specific Shades of Gray | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Abbreviated Hex Code | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB values to Color Elements | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB to Color Elements White | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB to Color Elements Red | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB to Color Elements Green | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB to Color Elements Blue | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use RGB to Mix Colors | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Responsive Design with Bootstrap Fluid Containers | Sep 25, 2015 | Feb 27, 2016 | View solution | View solution |
| Make Images Mobile Responsive | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Center Text with Bootstrap | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Bootstrap Button | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Block Element Bootstrap Button | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Taste the Bootstrap Button Color Rainbow | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Call out Optional Actions with Button Info | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Warn your Users of a Dangerous Action | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Use the Bootstrap Grid to Put Elements Side By Side | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Ditch Custom CSS for Bootstrap | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Spans for Inline Elements | Sep 26, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Custom Heading | Sep 27, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Font Awesome Icons to our Buttons | Sep 27, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Font Awesome Icons to all of our Buttons | Sep 27, 2015 | Feb 27, 2016 | View solution | View solution |
| Responsively Style Radio Buttons | Sep 28, 2015 | Feb 27, 2016 | View solution | View solution |
| Responsively Style Checkboxes | Sep 28, 2015 | Feb 27, 2016 | View solution | View solution |
| Style Text Inputs as Form Controls | Sep 28, 2015 | Feb 27, 2016 | View solution | View solution |
| Line up Form Elements Responsively with Bootstrap | Oct 01, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Bootstrap Headline | Oct 01, 2015 | Feb 27, 2016 | View solution | View solution |
| House our page within a Bootstrap Container Fluid Div | Oct 01, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Bootstrap Row | Oct 01, 2015 | Feb 27, 2016 | View solution | View solution |
| Split your Bootstrap Row | Oct 01, 2015 | Feb 27, 2016 | View solution | View solution |
| Create Bootstrap Wells | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Add Elements within your Bootstrap Wells | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Apply the Default Bootstrap Button Style | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Create a Class to Target with jQuery Selectors | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Add ID Attributes to Bootstrap Elements | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Label Bootstrap Wells | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Give Each Element a Unique ID | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Label Bootstrap Buttons | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Use Comments to Clarify Code | Oct 02, 2015 | Feb 27, 2016 | View solution | View solution |
| Learn how Script Tags and Document Ready Work | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Target HTML Elements with Selectors Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Target Elements by Class Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Target Elements by ID Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Delete your jQuery Functions | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Target the same element with multiple jQuery Selectors | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Remove Classes from an element with jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Change the CSS of an Element Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Disable an Element Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Remove an Element Using jQuery | Oct 03, 2015 | Feb 29, 2016 | View solution | View solution |
| Use appendTo to Move Elements with jQuery | Oct 03, 2015 | Mar 01, 2016 | View solution | View solution |
| Clone an Element Using jQuery | Oct 03, 2015 | Mar 01, 2016 | View solution | View solution |
| Target the Parent of an Element Using jQuery | Oct 04, 2015 | Mar 01, 2016 | View solution | View solution |
| Target the Children of an Element Using jQuery | Oct 04, 2015 | Mar 01, 2016 | View solution | View solution |
| Target a Specific Child of an Element Using jQuery | Oct 04, 2015 | Mar 01, 2016 | View solution | View solution |
| Target Even Numbered Elements Using jQuery | Oct 04, 2015 | Mar 01, 2016 | View solution | View solution |
| Use jQuery to Modify the Entire Page | Oct 04, 2015 | Mar 01, 2016 | View solution | View solution |
| Comment your JavaScript Code | Oct 04, 2015 | Aug 02, 2016 | View solution | View solution |
| Understanding Boolean Values | Oct 04, 2015 | Apr 19, 2016 | View solution | View solution |
| Declare JavaScript Variables | Oct 04, 2015 | Apr 09, 2016 | View solution | View solution |
| Declare String Variables | Oct 04, 2015 | Apr 09, 2016 | View solution | View solution |
| Find the Length of a String | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Use Bracket Notation to Find the First Character in a String | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Use Bracket Notation to Find the Nth Character in a String | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Use Bracket Notation to Find the Last Character in a String | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Use Bracket Notation to Find the NthtoLast Character in a String | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Add Two Numbers with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Subtract One Number from Another with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Multiply Two Numbers with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Divide One Number by Another with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Create Decimal Numbers with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Multiply Two Decimals with JavaScript | Oct 06, 2015 | Apr 09, 2016 | View solution | View solution |
| Store Multiple Values in one Variable using JavaScript Arrays | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Nest one Array within Another Array | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Access Array Data with Indexes | Oct 06, 2015 | Apr 16, 2016 | View solution | View solution |
| Modify Array Data With Indexes | Oct 07, 2015 | Apr 16, 2016 | View solution | View solution |
| Manipulate Arrays With pop | Oct 09, 2015 | Apr 18, 2016 | View solution | View solution |
| Manipulate Arrays With push | Oct 09, 2015 | Apr 16, 2016 | View solution | View solution |
| Manipulate Arrays With shift | Oct 10, 2015 | Apr 18, 2016 | View solution | View solution |
| Manipulate Arrays With unshift | Oct 10, 2015 | Apr 18, 2016 | View solution | View solution |
| Write Reusable JavaScript with Functions | Oct 10, 2015 | Apr 18, 2016 | View solution | View solution |
| Build JavaScript Objects | Oct 11, 2015 | Apr 25, 2016 | View solution | View solution |
| Updating Object Properties | Oct 11, 2015 | Jun 20, 2016 | View solution | View solution |
| Join our LinkedIn Alumni Network | Oct 18, 2015 | May 16, 2017 | View this challenge | Join our LinkedIn Alumni Network |
| Commit to a Goal and a Nonprofit | Oct 18, 2015 | Feb 27, 2016 | View this challenge | Commit to a Goal and a Nonprofit |
| Learn How freeCodeCamp Works | Jan 23, 2016 | Apr 26, 2018 | View this challenge | Learn How freeCodeCamp Works |
| Create a GitHub Account and Join our Chat Rooms | Jan 23, 2016 | May 16, 2017 | View this challenge | Create a GitHub Account and Join our Chat Rooms |
| Configure your Profile | Jan 23, 2016 | May 16, 2017 | View this challenge | Configure your Profile |
| Join a Free Code Camp Group in Your City | Jan 23, 2016 | May 16, 2017 | View this challenge | Join a Free Code Camp Group in Your City |
| Learn What to Do If You Get Stuck | Jan 23, 2016 | May 16, 2017 | View this challenge | Learn What to Do If You Get Stuck |
| Join our Subreddit | Feb 27, 2016 | | View this challenge | Join our Subreddit |
| Read Coding News on our Medium Publication | Feb 27, 2016 | May 16, 2017 | View this challenge | Read Coding News on our Medium Publication |
| Watch Coding Videos on our YouTube Channel | Feb 27, 2016 | May 16, 2017 | View this challenge | Watch Coding Videos on our YouTube Channel |
| Change Text Inside an Element Using jQuery | Feb 29, 2016 | | View solution | View solution |
| Get Set for our Front End Development Projects | Mar 01, 2016 | Mar 02, 2016 | View this challenge | Get Set for our Front End Development Projects |
| Storing Values with the Assignment Operator | Apr 09, 2016 | | View solution | View solution |
| Initializing Variables with the Assignment Operator | Apr 09, 2016 | | View solution | View solution |
| Understanding Uninitialized Variables | Apr 09, 2016 | | View solution | View solution |
| Understanding Case Sensitivity in Variables | Apr 09, 2016 | | View solution | View solution |
| Increment a Number with JavaScript | Apr 09, 2016 | | View solution | View solution |
| Decrement a Number with JavaScript | Apr 09, 2016 | | View solution | View solution |
| Divide one Decimal by Another with JavaScript | Apr 09, 2016 | | View solution | View solution |
| Finding a Remainder in JavaScript | Apr 09, 2016 | | View solution | View solution |
| Compound Assignment With Augmented Addition | Apr 09, 2016 | | View solution | View solution |
| Compound Assignment With Augmented Subtraction | Apr 09, 2016 | | View solution | View solution |
| Compound Assignment With Augmented Multiplication | Apr 09, 2016 | | View solution | View solution |
| Compound Assignment With Augmented Division | Apr 09, 2016 | | View solution | View solution |
| Convert Celsius to Fahrenheit | Apr 09, 2016 | | View solution | View solution |
| Escaping Literal Quotes in Strings | Apr 09, 2016 | | View solution | View solution |
| Quoting Strings with Single Quotes | Apr 09, 2016 | | View solution | View solution |
| Escape Sequences in Strings | Apr 16, 2016 | | View solution | View solution |
| Concatenating Strings with Plus Operator | Apr 16, 2016 | | View solution | View solution |
| Concatenating Strings with the Plus Equals Operator | Apr 16, 2016 | | View solution | View solution |
| Constructing Strings with Variables | Apr 16, 2016 | | View solution | View solution |
| Appending Variables to Strings | Apr 16, 2016 | | View solution | View solution |
| Understand String Immutability | Apr 16, 2016 | | View solution | View solution |
| Word Blanks | Apr 16, 2016 | | View solution | View solution |
| Access MultiDimensional Arrays With Indexes | Apr 16, 2016 | | View solution | View solution |
| Shopping List | Apr 18, 2016 | | View solution | View solution |
| Passing Values to Functions with Arguments | Apr 19, 2016 | | View solution | View solution |
| Global Scope and Functions | Apr 19, 2016 | | View solution | View solution |
| Local Scope and Functions | Apr 19, 2016 | | View solution | View solution |
| Global vs Local Scope in Functions | Apr 19, 2016 | | View solution | View solution |
| Return a Value from a Function with Return | Apr 19, 2016 | | View solution | View solution |
| Assignment with a Returned Value | Apr 19, 2016 | | View solution | View solution |
| Stand in Line | Apr 19, 2016 | | View solution | View solution |
| Comparison with the Equality Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Strict Equality Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Inequality Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Strict Inequality Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Greater Than Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Greater Than Or Equal To Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Less Than Operator | Apr 20, 2016 | | View solution | View solution |
| Comparison with the Less Than Or Equal To Operator | Apr 20, 2016 | | View solution | View solution |
| Comparisons with the Logical And Operator | Apr 20, 2016 | | View solution | View solution |
| Comparisons with the Logical Or Operator | Apr 20, 2016 | | View solution | View solution |
| Introducing Else Statements | Apr 20, 2016 | | View solution | View solution |
| Introducing Else If Statements | Apr 20, 2016 | | View solution | View solution |
| Logical Order in If Else Statements | Apr 21, 2016 | | View solution | View solution |
| Chaining If Else Statements | Apr 21, 2016 | | View solution | View solution |
| Golf Code | Apr 23, 2016 | | View solution | View solution |
| Selecting from many options with Switch Statements | Apr 23, 2016 | | View solution | View solution |
| Adding a default option in Switch statements | Apr 23, 2016 | | View solution | View solution |
| Multiple Identical Options in Switch Statements | Apr 23, 2016 | | View solution | View solution |
| Replacing If Else Chains with Switch | Apr 23, 2016 | | View solution | View solution |
| Returning Boolean Values from Functions | Apr 23, 2016 | | View solution | View solution |
| Return Early Pattern for Functions | Apr 23, 2016 | | View solution | View solution |
| Accessing Objects Properties with the Dot Operator | Apr 25, 2016 | | View solution | View solution |
| Accessing Objects Properties with Bracket Notation | Apr 25, 2016 | | View solution | View solution |
| Accessing Objects Properties with Variables | Apr 26, 2016 | | View solution | View solution |
| Add New Properties to a JavaScript Object | Jun 20, 2016 | | View solution | View solution |
| Delete Properties from a JavaScript Object | Jun 21, 2016 | | View solution | View solution |
| Using Objects for Lookups | Jun 21, 2016 | | View solution | View solution |
| Join our Forum | May 16, 2017 | | View this challenge | Join our Forum |
| Become a Supporter | May 16, 2017 | | View this challenge | Become a Supporter |
| Get Set for our Algorithm Challenges | Mar 24, 2018 | | View this challenge | Get Set for our Algorithm Challenges |
