| Challenges | Completed | Last Updated | Solution |
|---|
| Learn How freeCodeCamp Works | May 10, 2017 | Jul 19, 2017 | View this challenge | Learn How freeCodeCamp Works |
| Create a GitHub Account and Join our Chat Rooms | May 10, 2017 | | View this challenge | Create a GitHub Account and Join our Chat Rooms |
| Configure your Profile | May 10, 2017 | | View this challenge | Configure your Profile |
| Read Coding News on our Medium Publication | May 10, 2017 | | View this challenge | Read Coding News on our Medium Publication |
| Watch Coding Videos on our YouTube Channel | May 10, 2017 | | View this challenge | Watch Coding Videos on our YouTube Channel |
| Learn What to Do If You Get Stuck | May 10, 2017 | | View this challenge | Learn What to Do If You Get Stuck |
| Headline with the h2 Element | May 10, 2017 | | View solution | View solution |
| Inform with the Paragraph Element | May 10, 2017 | | View solution | View solution |
| Comment your JavaScript Code | May 10, 2017 | | View solution | View solution |
| Declare JavaScript Variables | May 10, 2017 | | View solution | View solution |
| Storing Values with the Assignment Operator | May 10, 2017 | | View solution | View solution |
| Initializing Variables with the Assignment Operator | May 10, 2017 | | View solution | View solution |
| Understanding Uninitialized Variables | May 10, 2017 | | View solution | View solution |
| Say Hello to HTML Elements | May 10, 2017 | | View solution | View solution |
| Uncomment HTML | May 10, 2017 | | View solution | View solution |
| Comment out HTML | May 10, 2017 | | View solution | View solution |
| Fill in the Blank with Placeholder Text | May 10, 2017 | | View solution | View solution |
| Delete HTML Elements | May 10, 2017 | | View solution | View solution |
| Change the Color of Text | May 10, 2017 | | View solution | View solution |
| Understanding Case Sensitivity in Variables | May 10, 2017 | | View solution | View solution |
| Add Two Numbers with JavaScript | May 10, 2017 | | View solution | View solution |
| Subtract One Number from Another with JavaScript | May 10, 2017 | | View solution | View solution |
| Multiply Two Numbers with JavaScript | May 10, 2017 | | View solution | View solution |
| Divide One Number by Another with JavaScript | May 10, 2017 | | View solution | View solution |
| Increment a Number with JavaScript | May 10, 2017 | | View solution | View solution |
| Decrement a Number with JavaScript | May 10, 2017 | | View solution | View solution |
| Create Decimal Numbers with JavaScript | May 10, 2017 | | View solution | View solution |
| Multiply Two Decimals with JavaScript | May 10, 2017 | | View solution | View solution |
| Divide one Decimal by Another with JavaScript | May 11, 2017 | | View solution | View solution |
| Finding a Remainder in JavaScript | May 11, 2017 | | View solution | View solution |
| Compound Assignment With Augmented Addition | May 11, 2017 | | View solution | View solution |
| Compound Assignment With Augmented Subtraction | May 11, 2017 | | View solution | View solution |
| Compound Assignment With Augmented Multiplication | May 11, 2017 | | View solution | View solution |
| Compound Assignment With Augmented Division | May 11, 2017 | | View solution | View solution |
| Convert Celsius to Fahrenheit | May 11, 2017 | | View solution | View solution |
| Declare String Variables | May 11, 2017 | | View solution | View solution |
| Escaping Literal Quotes in Strings | May 11, 2017 | | View solution | View solution |
| Quoting Strings with Single Quotes | May 11, 2017 | | View solution | View solution |
| Escape Sequences in Strings | May 11, 2017 | | View solution | View solution |
| Concatenating Strings with Plus Operator | May 11, 2017 | | View solution | View solution |
| Concatenating Strings with the Plus Equals Operator | May 11, 2017 | | View solution | View solution |
| Constructing Strings with Variables | May 11, 2017 | | View solution | View solution |
| Appending Variables to Strings | May 11, 2017 | | View solution | View solution |
| Find the Length of a String | May 11, 2017 | | View solution | View solution |
| Use Bracket Notation to Find the First Character in a String | May 11, 2017 | | View solution | View solution |
| Understand String Immutability | May 11, 2017 | | View solution | View solution |
| Use Bracket Notation to Find the Nth Character in a String | May 11, 2017 | | View solution | View solution |
| Use Bracket Notation to Find the Last Character in a String | May 11, 2017 | | View solution | View solution |
| Use Bracket Notation to Find the NthtoLast Character in a String | May 11, 2017 | | View solution | View solution |
| Word Blanks | May 11, 2017 | | View solution | View solution |
| Store Multiple Values in one Variable using JavaScript Arrays | May 11, 2017 | | View solution | View solution |
| Nest one Array within Another Array | May 11, 2017 | | View solution | View solution |
| Access Array Data with Indexes | May 11, 2017 | | View solution | View solution |
| Modify Array Data With Indexes | May 11, 2017 | | View solution | View solution |
| Access MultiDimensional Arrays With Indexes | May 11, 2017 | | View solution | View solution |
| Manipulate Arrays With push | May 11, 2017 | | View solution | View solution |
| Manipulate Arrays With pop | May 11, 2017 | | View solution | View solution |
| Manipulate Arrays With shift | May 11, 2017 | | View solution | View solution |
| Manipulate Arrays With unshift | May 11, 2017 | | View solution | View solution |
| Shopping List | May 11, 2017 | | View solution | View solution |
| Write Reusable JavaScript with Functions | May 11, 2017 | | View solution | View solution |
| Passing Values to Functions with Arguments | May 11, 2017 | | View solution | View solution |
| Global Scope and Functions | May 11, 2017 | | View solution | View solution |
| Local Scope and Functions | May 11, 2017 | | View solution | View solution |
| Global vs Local Scope in Functions | May 11, 2017 | | View solution | View solution |
| Return a Value from a Function with Return | May 11, 2017 | | View solution | View solution |
| Assignment with a Returned Value | May 11, 2017 | | View solution | View solution |
| Stand in Line | May 11, 2017 | | View solution | View solution |
| Understanding Boolean Values | May 11, 2017 | | View solution | View solution |
| Use CSS Selectors to Style Elements | May 11, 2017 | | View solution | View solution |
| Use a CSS Class to Style an Element | May 11, 2017 | | View solution | View solution |
| Style Multiple Elements with a CSS Class | May 11, 2017 | May 11, 2017 | View solution | View solution |
| Change the Font Size of an Element | May 11, 2017 | | View solution | View solution |
| Set the Font Family of an Element | May 11, 2017 | | View solution | View solution |
| Import a Google Font | May 12, 2017 | | View solution | View solution |
| Specify How Fonts Should Degrade | May 12, 2017 | | View solution | View solution |
| Add Images to your Website | May 12, 2017 | | View solution | View solution |
| Size your Images | May 12, 2017 | | View solution | View solution |
| Add Borders Around your Elements | May 12, 2017 | | View solution | View solution |
| Add Rounded Corners with a Border Radius | May 12, 2017 | | View solution | View solution |
| Make Circular Images with a Border Radius | May 12, 2017 | | View solution | View solution |
| Link to External Pages with Anchor Elements | May 12, 2017 | | View solution | View solution |
| Nest an Anchor Element within a Paragraph | May 12, 2017 | | View solution | View solution |
| Make Dead Links using the Hash Symbol | May 12, 2017 | | View solution | View solution |
| Turn an Image into a Link | May 12, 2017 | | View solution | View solution |
| Create a Bulleted Unordered List | May 12, 2017 | | View solution | View solution |
| Create an Ordered List | May 13, 2017 | | View solution | View solution |
| Create a Text Field | May 13, 2017 | | View solution | View solution |
| Add Placeholder Text to a Text Field | May 13, 2017 | | View solution | View solution |
| Create a Form Element | May 13, 2017 | | View solution | View solution |
| Add a Submit Button to a Form | May 13, 2017 | | View solution | View solution |
| Use HTML5 to Require a Field | May 13, 2017 | | View solution | View solution |
| Create a Set of Radio Buttons | May 14, 2017 | | View solution | View solution |
| Create a Set of Checkboxes | May 14, 2017 | | View solution | View solution |
| Check Radio Buttons and Checkboxes by Default | May 14, 2017 | | View solution | View solution |
| Nest Many Elements within a Single Div Element | May 15, 2017 | | View solution | View solution |
| Give a Background Color to a Div Element | May 15, 2017 | | View solution | View solution |
| Set the ID of an Element | May 15, 2017 | | View solution | View solution |
| Use an ID Attribute to Style an Element | May 15, 2017 | | View solution | View solution |
| Adjusting the Padding of an Element | May 15, 2017 | May 15, 2017 | View solution | View solution |
| Adjust the Margin of an Element | May 15, 2017 | May 15, 2017 | View solution | View solution |
| Add a Negative Margin to an Element | May 15, 2017 | | View solution | View solution |
| Add Different Padding to Each Side of an Element | May 15, 2017 | | View solution | View solution |
| Add Different Margins to Each Side of an Element | May 15, 2017 | | View solution | View solution |
| Use Clockwise Notation to Specify the Padding of an Element | May 15, 2017 | | View solution | View solution |
| Use Clockwise Notation to Specify the Margin of an Element | May 15, 2017 | | View solution | View solution |
| Style the HTML Body Element | May 15, 2017 | | View solution | View solution |
| Inherit Styles from the Body Element | May 15, 2017 | | View solution | View solution |
| Prioritize One Style Over Another | May 15, 2017 | | View solution | View solution |
| Override Styles in Subsequent CSS | May 15, 2017 | | View solution | View solution |
| Override Class Declarations by Styling ID Attributes | May 15, 2017 | | View solution | View solution |
| Override Class Declarations with Inline Styles | May 15, 2017 | | View solution | View solution |
| Override All Other Styles by using Important | May 15, 2017 | | View solution | View solution |
| Use Hex Code for Specific Colors | May 15, 2017 | | View solution | View solution |
| Use Hex Code to Mix Colors | May 15, 2017 | | View solution | View solution |
| Use Abbreviated Hex Code | May 15, 2017 | | View solution | View solution |
| Use RGB values to Color Elements | May 15, 2017 | | View solution | View solution |
| Use RGB to Mix Colors | May 15, 2017 | | View solution | View solution |
| Use Responsive Design with Bootstrap Fluid Containers | May 15, 2017 | | View solution | View solution |
| Make Images Mobile Responsive | May 15, 2017 | | View solution | View solution |
| Center Text with Bootstrap | May 15, 2017 | | View solution | View solution |
| Create a Bootstrap Button | May 15, 2017 | | View solution | View solution |
| Create a Block Element Bootstrap Button | May 15, 2017 | | View solution | View solution |
| Taste the Bootstrap Button Color Rainbow | May 15, 2017 | | View solution | View solution |
| Call out Optional Actions with Button Info | May 15, 2017 | | View solution | View solution |
| Warn your Users of a Dangerous Action | May 15, 2017 | | View solution | View solution |
| Use the Bootstrap Grid to Put Elements Side By Side | May 15, 2017 | May 15, 2017 | View solution | View solution |
| Ditch Custom CSS for Bootstrap | May 15, 2017 | | View solution | View solution |
| Use Conditional Logic with If Statements | May 15, 2017 | | View solution | View solution |
| Comparison with the Equality Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Strict Equality Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Inequality Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Strict Inequality Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Greater Than Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Greater Than Or Equal To Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Less Than Operator | May 15, 2017 | | View solution | View solution |
| Comparison with the Less Than Or Equal To Operator | May 15, 2017 | | View solution | View solution |
| Comparisons with the Logical And Operator | May 15, 2017 | | View solution | View solution |
| Comparisons with the Logical Or Operator | May 15, 2017 | | View solution | View solution |
| Introducing Else Statements | May 15, 2017 | | View solution | View solution |
| Introducing Else If Statements | May 15, 2017 | | View solution | View solution |
| Logical Order in If Else Statements | May 15, 2017 | | View solution | View solution |
| Chaining If Else Statements | May 15, 2017 | | View solution | View solution |
| Golf Code | May 15, 2017 | May 15, 2017 | View solution | View solution |
| Selecting from many options with Switch Statements | May 15, 2017 | | View solution | View solution |
| Adding a default option in Switch statements | May 15, 2017 | | View solution | View solution |
| Multiple Identical Options in Switch Statements | May 15, 2017 | | View solution | View solution |
| Replacing If Else Chains with Switch | May 15, 2017 | | View solution | View solution |
| Returning Boolean Values from Functions | May 15, 2017 | | View solution | View solution |
| Return Early Pattern for Functions | May 15, 2017 | | View solution | View solution |
| Counting Cards | May 15, 2017 | | View solution | View solution |
| Build JavaScript Objects | May 15, 2017 | | View solution | View solution |
| Accessing Objects Properties with the Dot Operator | May 15, 2017 | | View solution | View solution |
| Accessing Objects Properties with Bracket Notation | May 15, 2017 | | View solution | View solution |
| Accessing Objects Properties with Variables | May 15, 2017 | | View solution | View solution |
| Updating Object Properties | May 15, 2017 | | View solution | View solution |
| Add New Properties to a JavaScript Object | May 15, 2017 | | View solution | View solution |
| Delete Properties from a JavaScript Object | May 15, 2017 | | View solution | View solution |
| Using Objects for Lookups | May 15, 2017 | | View solution | View solution |
| Testing Objects for Properties | May 15, 2017 | | View solution | View solution |
| Manipulating Complex Objects | May 15, 2017 | May 15, 2017 | View solution | View solution |
| Accessing Nested Objects | May 16, 2017 | | View solution | View solution |
| Accessing Nested Arrays | May 18, 2017 | | View solution | View solution |
| Iterate with JavaScript For Loops | May 18, 2017 | | View solution | View solution |
| Iterate Odd Numbers With a For Loop | May 18, 2017 | | View solution | View solution |
| Count Backwards With a For Loop | May 18, 2017 | | View solution | View solution |
| Iterate Through an Array with a For Loop | May 18, 2017 | | View solution | View solution |
| Nesting For Loops | May 19, 2017 | | View solution | View solution |
| Iterate with JavaScript While Loops | May 19, 2017 | | View solution | View solution |
| Profile Lookup | May 20, 2017 | | View solution | View solution |
| Generate Random Fractions with JavaScript | May 20, 2017 | | View solution | View solution |
| Generate Random Whole Numbers with JavaScript | May 20, 2017 | | View solution | View solution |
| Generate Random Whole Numbers within a Range | May 20, 2017 | | View solution | View solution |
| Sift through Text with Regular Expressions | May 20, 2017 | | View solution | View solution |
| Find Numbers with Regular Expressions | May 20, 2017 | | View solution | View solution |
| Find Whitespace with Regular Expressions | May 20, 2017 | | View solution | View solution |
| Invert Regular Expression Matches with JavaScript | May 20, 2017 | | View solution | View solution |
| Declare JavaScript Objects as Variables | May 20, 2017 | | View solution | View solution |
| Construct JavaScript Objects with Functions | May 20, 2017 | | View solution | View solution |
| Make Instances of Objects with a Constructor Function | May 20, 2017 | | View solution | View solution |
| Make Unique Objects by Passing Parameters to our Constructor | May 20, 2017 | | View solution | View solution |
| Make Object Properties Private | May 20, 2017 | | View solution | View solution |
| Use Spans for Inline Elements | May 21, 2017 | | View solution | View solution |
| Create a Custom Heading | May 21, 2017 | | View solution | View solution |
| Add Font Awesome Icons to our Buttons | May 21, 2017 | | View solution | View solution |
| Add Font Awesome Icons to all of our Buttons | May 21, 2017 | | View solution | View solution |
| Responsively Style Radio Buttons | May 21, 2017 | | View solution | View solution |
| Responsively Style Checkboxes | May 22, 2017 | | View solution | View solution |
| Style Text Inputs as Form Controls | May 22, 2017 | | View solution | View solution |
| Line up Form Elements Responsively with Bootstrap | May 22, 2017 | | View solution | View solution |
| Create a Bootstrap Headline | May 22, 2017 | | View solution | View solution |
| House our page within a Bootstrap Container Fluid Div | May 22, 2017 | | View solution | View solution |
| Create a Bootstrap Row | May 22, 2017 | | View solution | View solution |
| Split your Bootstrap Row | May 22, 2017 | | View solution | View solution |
| Create Bootstrap Wells | May 22, 2017 | | View solution | View solution |
| Add Elements within your Bootstrap Wells | May 22, 2017 | | View solution | View solution |
| Apply the Default Bootstrap Button Style | May 22, 2017 | | View solution | View solution |
| Create a Class to Target with jQuery Selectors | May 22, 2017 | | View solution | View solution |
| Add ID Attributes to Bootstrap Elements | May 22, 2017 | | View solution | View solution |
| Label Bootstrap Wells | May 22, 2017 | | View solution | View solution |
| Give Each Element a Unique ID | May 22, 2017 | | View solution | View solution |
| Label Bootstrap Buttons | May 22, 2017 | | View solution | View solution |
| Use Comments to Clarify Code | May 22, 2017 | | View solution | View solution |
| Join our Forum | May 22, 2017 | | View this challenge | Join our Forum |
| Join a Free Code Camp Group in Your City | May 22, 2017 | | View this challenge | Join a Free Code Camp Group in Your City |
| Join our LinkedIn Alumni Network | May 22, 2017 | | View this challenge | Join our LinkedIn Alumni Network |
| Become a Supporter | May 22, 2017 | | View this challenge | Become a Supporter |
| Learn how Script Tags and Document Ready Work | May 22, 2017 | Jun 06, 2017 | View solution | View solution |
| Target HTML Elements with Selectors Using jQuery | May 22, 2017 | Jun 06, 2017 | View solution | View solution |
| Target Elements by Class Using jQuery | May 22, 2017 | | View solution | View solution |
| Target Elements by ID Using jQuery | May 22, 2017 | | View solution | View solution |
| Delete your jQuery Functions | May 22, 2017 | | View solution | View solution |
| Target the same element with multiple jQuery Selectors | May 22, 2017 | | View solution | View solution |
| Remove Classes from an element with jQuery | May 22, 2017 | | View solution | View solution |
| Change the CSS of an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Disable an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Change Text Inside an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Remove an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Use appendTo to Move Elements with jQuery | May 22, 2017 | | View solution | View solution |
| Clone an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Target the Parent of an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Target the Children of an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Target a Specific Child of an Element Using jQuery | May 22, 2017 | | View solution | View solution |
| Target Even Numbered Elements Using jQuery | May 22, 2017 | | View solution | View solution |
| Use jQuery to Modify the Entire Page | May 22, 2017 | | View solution | View solution |
| Get Set for our Front End Development Projects | May 22, 2017 | | View this challenge | Get Set for our Front End Development Projects |
| Iterate over Arrays with map | May 23, 2017 | | View solution | View solution |
| Condense arrays with reduce | May 23, 2017 | | View solution | View solution |
| Filter Arrays with filter | May 24, 2017 | May 24, 2017 | View solution | View solution |
| Sort Arrays with sort | May 24, 2017 | | View solution | View solution |
| Reverse Arrays with reverse | May 24, 2017 | May 24, 2017 | View solution | View solution |
| Concatenate Arrays with concat | May 24, 2017 | May 24, 2017 | View solution | View solution |
| Split Strings with split | May 24, 2017 | May 24, 2017 | View solution | View solution |
| Join Strings with join | May 24, 2017 | | View solution | View solution |
| Get Set for our Algorithm Challenges | May 24, 2017 | | View this challenge | Get Set for our Algorithm Challenges |
| Trigger Click Events with jQuery | Jun 06, 2017 | | View solution | View solution |
| Change Text with Click Events | Jun 06, 2017 | | View solution | View solution |
| Get JSON with the jQuery getJSON Method | Jun 06, 2017 | | View solution | View solution |
| Convert JSON Data to HTML | Jun 06, 2017 | | View solution | View solution |
| Render Images from Data Sources | Jun 06, 2017 | | View solution | View solution |
| Prefilter JSON | Jun 06, 2017 | | View solution | View solution |
| Get Geolocation Data | Jun 06, 2017 | | View solution | View solution |
| Use the JavaScript Console | Jun 07, 2017 | | View solution | View solution |
| Using typeof | Jun 07, 2017 | | View solution | View solution |
| Save your Code Revisions Forever with Git | Jun 21, 2017 | | View this challenge | Save your Code Revisions Forever with Git |
| Get Set for our API Development Projects | Jun 21, 2017 | | View this challenge | Get Set for our API Development Projects |
| Claim Your Front End Development Certificate | Jul 05, 2017 | Jul 05, 2017 | View this challenge | Claim Your Front End Development Certificate |
