Module quiz: The Building Blocks of a Program in Javascript

What data type is the variable x ?
```
 var x = {};
```
- Function
- Array
- Object
What will be the output of running the following code?
```
 try {
 console.log('hello)
 } catch(e) {
 console.log('caught')
 }
```
- Uncaught SyntaxError: Invalid or unexpected token.
- Caught

What value is printed when the following code runs?

 var burger = ["bun", "beef", "lettuce", "tomato sauce", "onion", "bun"];
 console.log(burger[2]);

In the following code, how many methods does the bicycle object have?

 var bicycle = {
       wheels: 2,
       start: function() {

       },
       stop: function() {

       }
   };

When the following code runs, what will print out?

 try {
     throw new Error();
     console.log('Hello');
   } catch(err) {
     console.log('Goodbye');
 }

If you mis-type some code in your JavaScript, what kind of error will that result in?
- RangeError
- SyntaxErrror
- TypeError

Will the following code execute without an error?

 function add(a, b) {
   console.log(a + b)
 }

 add(3, "4");

What will be printed when the following code runs?
```
 var result;
 console.log(result);
```
- undefined
- null
- 0
What will be the output of the following code?
```
 var str = "Hello";
 str.match("jello");
```
- null
- undefined
- empty string

What will be the output of the following code?

try {
  Number(5).toPrecision(300)
} catch(e) {
  console.log("There was an error")
}

David Nguyen