1 point What event should be used if you want to validate a text element after the user has edited the text?
onchange
1 point What event should be used to call an action procedure after a button is pressed? onclick
1 point What is the name of the property that points to an object that allows you to modify attributes of an element such as text color or font size? style
2 points Suppose you are given the following form: <form name="reservation"> <input type="checkbox" name="non-smoking" value="non-smoking"> <input type="checkbox" name="internet" value="internet"> <input type="checkbox" name=jacuzzi" value="jacuzzi"> <input type="checkbox" name="microwave" value="microwave"> <input type="checkbox" name="refrigerator" value="refrigerator"> <input type="submit" name="submit"> </form> Write a function called count_amenities that counts and returns the number of amenities checked by the user. The function takes no arguments.
```
     function count_amenities() {
       count = 0;
       amenities = ['non-smoking', 'internet', 'jacuzzi', 'microwave', 'refrigerator'];
       for (index in amenities) {
         count += (document.forms.reservation[amenities[index]].checked) ? 1 : 0;
       }
       return count;
     
```

solutions