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Adding punctuation, fixing some typos and fixing some broken links.

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REDMOND\humorimo
2019-02-27 11:25:43 -08:00
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step1-03/exercise/README.md
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### Update Navigation
1. Add an onclick attribute to all 3 buttons in the navigation
1. Add an onclick attribute to all 3 buttons in the navigation.
2. For each onclick call the `filter` function. In our function we need a reference to the clicked button, so pass in the keyword `this` as the only parameter.
### Write updateRemaining function
1. Get a reference to the span with the `remaining` class, and store it in a variable
1. Get a reference to the span with the `remaining` class, and store it in a variable.
2. Use [querySelectorAll](https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll) to get all of the todos.
3. Set the `innerText` of the remaining span to the length of those todos.
4. Add updateRemaining() to end of addTodo function
4. Add updateRemaining() to end of addTodo function.
### Write a clearCompleted function
1. Get a reference to all of the todos with [querySelectorAll](https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll)
2. Use a `for (let todo of todos)` loop to iterate over each todo
3. Inside the for loop write an `if` statement to test if the `input` inside of the todo has a checked value of true
> Hint: you can use querySelector on any HTML node to find child elements within
4. Call `todo.remove()` for any todo whos input check is true
5. After the loop is done, run `updateRemaining()`
6. Attach this function to the footer button
1. Get a reference to all of the todos with [querySelectorAll](https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll).
2. Use a `for (let todo of todos)` loop to iterate over each todo.
3. Inside the for loop write an `if` statement to test if the `input` inside of the todo has a checked value of true.
> Hint: you can use querySelector on any HTML node to find child elements within.
4. Call `todo.remove()` for any todo whos input check is true.
5. After the loop is done, run `updateRemaining()`.
6. Attach this function to the footer button.
7. Test it out!