Make a folder called `js_basics` inside your homework folder. Inside `js_basics` touch an index.html and an app.js and link them together. Write all of your javascript answers in `app.js`, and test them in the Chrome console.
Make a file inside your `homework` folder for w01d04 called `app.js`. Write all of your javascript answers in `app.js`, and test them in the bash console using the command `node app.js` from inside the `homework` folder.
Any non-javascript written answers can be made into a comment in your js file by putting a pound # at the beginning of the line. Alternatively, comment out written work by using `command + /` in sublime. You can select blocks of text and comment them out with this shortcut.
Any non-javascript written answers can be made into a comment in your .js file by putting a pound # at the beginning of the line. Or, if you write a comment, you can select the blocks of text and comment them out with this shortcut`command` + `/`.
## Conceptual Questions
@ -16,6 +32,12 @@ Any non-javascript written answers can be made into a comment in your js file by
3. How do we assign an existing variable to a new variable?
4. How do we use a variable within an expression?
**Commit 1** <br>
<hr>
The commit message should read: <br>
"Answered JS basic conceptual questions"
<hr>
## Exercises
1. Create a variable called `firstVariable`.
@ -29,18 +51,29 @@ Any non-javascript written answers can be made into a comment in your js file by
- Write an expression that takes the string "Hello, my name is " and the variable `yourName` so that it returns a new string with them concatenated.
*(ex: "Hello, my name is Jean Valjean")*
**Commit 2** <br>
<hr>
The commit message should read: <br>
"Completed JS basic exercises"
<hr>
...
# Javascript Primitives
# Javascript Data Types (Primitives)
## Conceptual Questions
1. Name 4 different built in primitives in Javascript.
1. Name 4 different built in data types (primitives) in Javascript.
2. What is the difference between an integer and a float?
4. How do you create an empty array and store it in a variable?
**Commit 3** <br>
<hr>
The commit message should read: <br>
"Answered JS data type questions"
<hr>
## Exercises
1. Given the following array `var a = [1, 10, "Hello", true]`
@ -48,15 +81,21 @@ Any non-javascript written answers can be made into a comment in your js file by
- Change the value of `"Hello"` to `"World"`.
- Check the value of `a` to make sure it updated the array.
2. Given the following array `["Meeseeks", "Coldness", "21 Berry", "Venkman"]`
2. Given the following array `["Panthalassa", "Zoom", "Cloud9", "Github"]`
- What would you write to access the 3rd element of the array?
- Change the value of "Venkman" to "Slimer"
- Change the value of "Github" to "Octocat"
- Add a new element, "Cloud City" to the array.
3. Create a string that contains quotes and store it in a variable.
4. What is the result from the expression `"World" * 5`. Why?
**Commit 4** <br>
<hr>
The commit message should read: <br>
"Completed JS data type exercises"
<hr>
# JavaScript - Primitive Methods & Properties
@ -66,6 +105,12 @@ Any non-javascript written answers can be made into a comment in your js file by
1. List at least 5 properties built into a string.
2. List at least 2 method examples built into an array.
**Commit 5** <br>
<hr>
The commit message should read: <br>
"Answered JS method & properties questions"
<hr>
## Exercises
1. Given the following string `"The Peculiar Purple Pieman of Porcupine Peak"`
@ -77,8 +122,13 @@ Any non-javascript written answers can be made into a comment in your js file by
- using a different method, remove the string from the end of the array.
- using the `unshift` method, add the string `"Bob Marley"` to the beginning of the array
- using a different method, remove the string from the beginning of the array
**Commit 6** <br>
<hr>
The commit message should read: <br>
"Completed JS method & properties exercises"
<hr>
...
# Javascript - operators
@ -107,6 +157,9 @@ Using the provided variable definitions, replace the blanks with a mathematical
Kristyn Bryan
10 years ago