##The Slap Game - Part 1
###Step 1 - GIT - Project Initialization
- Create a git repository named SlapGame
- Create the file index.html and a script file called game.js and a css file name game.css.
- Commit changes and push them back to GitHub.
###Step 2 - HTML - Create page layout and Slap button
- Link Bootstrap game.js and game.css to index.html.
- Add an image to the body with a width of 200px this is your "target"
- Add a button to the footer with the text "Slap"
###Step 3 - JS - Declare variables and write the Slap function
- Create a global variable: var health=100;
- Create a function: slap()
- Have the function reduce the health variable by 1.
- For now, have the function alert(health).
- Test the function by calling slap() at the end of the game.js file.
- You should see an alert of 99 show on the screen.
- If this is working, remove the test to prevent popups on every page load.
###Step 4 - HTML - Link the Slap button to the Slap function
- On the slap button element, add the attribute onClick="slap()"
- If things are working properly you should be able to hit the slap button and see the alert window with a decrease in health.
- To prevent having to show the targets health in popup, let's link the target's health directly to the user interface.
- Add a span element to the header for the target's health, example:
- The id is important so we can call the element from JS easily.
###Step 5 - JS - Update the user interface
- We are now going to add a function to manipulate the user interface by using the DOM API.
- You should know by now that selectors are required in order to select specific elements inside the DOM.
- In this case, we will use the infamous "document.getElementById("WHATEVER-ID")";
- Add a function called update(). This will be responsible for updating the user interface whenever a value changes.
- Have the function set the "innerText" of the element with the id "health"
- Add a call to the update() function at the bottom of your js file. If it is working, you should see the target's health on the screen.
- There is no need to delete the call you just added, it is recommended so you always start off with populated values.
- If it is working, make sure you add a call to update at the end of the slap function. This way the screen is updated after every slap.
###Step 6 - HTML - Add the other buttons and stuff...
- Have the punch function decrease the target's health by 5, and kick by 10.
- Don't forget to call update inside each function.
- Declare 2 more variables 'name', and 'hits' where you initialized the health variable. -Name your target whatever you want, what datatype would a name be? -Set the variable hits with a value of 0, every time the target is hit by a Slap, Punch, or Kick this variable should be increased by 1.
- Add a placeholder for target name, and hits inside the header next to health.
- Wire everything up like you did for "Slap".
###Step 7 - Testing Time
- You should now have a functioning application. Test the following
- In the panel header you should see an indicator for Health, Name, and Hits; their respective values should be 100, "Whatever Name You Chose", and 0.
- Click the slap button, you should see the target health drop to 99 and hit count to 1.
- Click the punch button, you should see the target health drop to 94 and hit count to 2.
- Finally click the Kick button, you should see the target health drop to 84 and hit count to 3.
- Keep pressing buttons... What happens when the target has been hit for over 100 hit points? Why does this happen?