Description
In this assignment, you will practice how to manipulate content and visibility filters. You only need
materials from lesson 1 and 2 to complete this assignment. Please check the instruction and
requirements to complete this assignment.
◼ Instructions
You have a page with its stylesheet (Download the assignment_1_source_files under Assignment 1
module under CONTENT section). There are five buttons under the header element. You only need to
create jQuery functions and attach them to these buttons as follows:
1. Select buttons by their ID names. For example, the first function should select a button by its ID
called ‘#add_new_box’ (see the index.html, under the script tag or block).
2. After selecting a button, we need to fire an event when a button clicked. To do that use a function
called ‘.click’ (see the function under ‘// 1. Add new box’ comment).
3. Now, we need to pass a function to the ‘.click()’. If you follow the three steps, you code should
look like this:
$(‘selector’).click(function(){
//Add your jQuery code here
});
Here are the button function details:
1. Add a box with a default style function:
This button should add a new box to the page layout. The new box will have the default style as
showing in the CSS style sheet. The box content should not be the same as the last box created, for
example, if the last box content is ‘5’ the new box content should be ‘6’ and so on. So as users keep
adding boxes, the content should be updated (see Figure 1 and 2).
JavaScript tips:
You may need to use a mix of JavaScript and jQuery codes to write this function. You may need to
use these JavaScript code statements: variables, addition operations, comparison operations, and
conditional statements.
2. Remove a box function:
Similar to the add button function. Create a function and attach it to the button called ‘Remove a box’.
This button should remove the last box in the layout and update the content for the page (see Figure
2 and 1).
JavaScript tips:
You may only need to use JavaScript variables for this function.
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3. Add a box with a yellow background function:
This function will add a box to layout but with a different style from the default box’s style. The new
box should have a yellow background. Note that the content should be updated the same as the ‘add
a new box’ function (see Figure 3).
JavaScript tips:
You may need to use a mix of JavaScript and jQuery codes to write this function. You may need to
use these JavaScript code statements: variables, addition operations, comparison operations, and
conditional statements.
Figure 2: An example of add a new box with content of ‘7’
Figure 1: An example of add a new box with content of ‘6’
Figure 3: An example of add a new box with content of ‘7’
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4. Order boxes into rows function:
Create a function and attached it to ‘Change page a layout’. This function should sort boxes into rows
and change its width to the full width of the page layout (see Figure 4).
JavaScript tips:
You may need to use a mix of JavaScript and jQuery codes to write this function. You may need to
use these JavaScript code statements: variables, addition operations, comparison operations, and
conditional statements.
5. Print a DOM tree function:
Create a function and attach it to the ‘Print DOM tree’ button. This function should only print the DOM
tree for boxes area. Each element must be print in single lines. You can format the output as a tree
by using dashes. Single ‘-‘mean top element or the root of the tree, then inside element ‘branches’
should start with two dashes ‘- -‘ (optional) (see Figure 5).
Javascript tips:
You may need to use these JavaScript code statements: variables and addition operations.
Figure 4: An example of add a new box with
content of ‘7’
Figure 5: this is the DOM tree of figure 4.
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◼ Requirements:
1. Your code should not have too many errors, and it should be organized.
2. The layout should not change when boxes added or removed from the page.
3. The removing button should disable (You can hide it) when the page layout has 1 box.
4. Each button should function correctly and complete its task.
5. Page elements should not overflow, so make sure always to check out the layout.
6. Limite adding boxes to a max of 10 boxes. The adding button should be disabled (You can hide
it) when the page layout has 10 boxes.
7. Comments should be organized and have meaning.
8. The variables should have meaning names that related to their content.
Please refer to the rubric at the end of this document for evaluation details.
Submit
1. Name your folder assignment_1_project.
2. Right-click on the folder and select ‘Send to -> Compressed (zipped) folder’.
3. Upload the zipped folder to the Assignment 1 Dropbox
How to zip your project folder:
Here are some links that may help with compressing your main/root folder and only send that zip folder
• How to zip a file in Windows 10: https://www.laptopmag.com/articles/how-to-zip-files-windows-10
• Free file compressor application for Windows: http://www.7-zip.org/download.html
• How to zip a file in Mac: https://www.lifewire.com/how-to-zip-and-unzip-files-and-folders-on-amac-2260188
• Free file compressor application for Mac: https://theunarchiver.com/
• How to save a pdf in MS Word document: https://www.bettercloud.com/monitor/theacademy/save-word-doc-pdf/
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Evaluation
This assessment is graded out of 25 points and will be evaluated using the following rubric.
Learners may receive partial scores or zero for unacceptable work.
Excellent: 5 point Good: 3 point Fair: 1 point Poor: 0 point Score
Add a box
with a default
style and
Remove a
box
Boxes added or
removed with default
style and its content
updated correctly. The
page layout is
organized.
Boxes added or
removed with default
style and its content
updated correctly.
However, the page
layout is not
organized.
Boxes added or
removed with the
default style, but its
content not
updated correctly.
However, the page
layout is organized.
Boxes added or
removed but not styled
and its content updated
incorrectly or correctly.
The page layout is not
organized and element
overflow.
/5
Add a box
with a yellow
background
Boxes added with
required style and its
content updated
correctly. The page
layout is organized.
Boxes added with
required style and its
content updated
correctly. However,
the page layout is not
organized.
Boxes added with
required style, but
its content not
updated correctly.
However, the page
layout is organized.
Boxes added but not
with required styled and
its content updated
incorrectly. The page
layout is not organized
and element overflow.
/5
Order boxes
into rows
Boxes are organized,
and their width fit into
the page. Boxes order
as required. The layout
is organized and there
no overflow issues.
Boxes are organized,
and their width fit into
the page — boxes
order as required.
However, the layout
is not organized, and
there are a few
overflow issues.
Boxes are
organized, and their
width doesn’t fit into
the page — boxes
order as required.
However, the layout
is not organized,
and there are some
overflow issues.
Boxes are not
organized, and their
width doesn’t fit into the
page. Boxes order as
required. However, the
layout is not organized,
and there are a lot of
overflow issues.
/5
Print a DOM
tree
A tree only includes
the required elements.
The output formatted
as requested, and the
output is readable.
A tree only includes
the required
elements. The output
is not formatted as
requested, but the
output is readable.
A tree includes
other elements then
the required
elements. The
output is not
formatted as
requested, but the
output is readable.
A tree includes other
elements then the
required elements. The
output is not formatted
as requested, and the
output is not readable.
/5
Coding part
There are no errors in
another coding on the
site as found by me or
an online validator.
There are 1-3 coding
errors on the site as
found by me or an
online validator.
There are 4-5
coding errors on
the site as found by
me or an online
validator.
There are more than 6
coding errors on the site
as found by me or an
online validator.
/5
TOTAL /25
