Form layout (inline, horizontal) in Bootsrap - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to make the form inline using Bootstrap classes.

Bootsrap

<form class="[1]">
  <input type="text" class="form-control" placeholder="Name">
  <button type="submit" class="btn btn-primary">Submit</button>
</form>

Drag options to blanks, or click blank then click option'

Aform-inline

Bform-horizontal

Cform-group

Dform-control

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'form-horizontal' instead of 'form-inline' for inline layout.

Forgetting to add any form layout class.

Use form-inline class to make the form display inline in Bootstrap.

2fill in blank

medium

Complete the code to create a horizontal form group with label and input side by side.

Bootsrap

<div class="form-group row">
  <label for="email" class="col-sm-2 col-form-label">Email</label>
  <div class="[1]">
    <input type="email" class="form-control" id="email" placeholder="Email">
  </div>
</div>

Drag options to blanks, or click blank then click option'

Acol-sm-10

Bform-inline

Cform-control

Dcol-form-label

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'form-inline' class inside the input container.

Not using Bootstrap grid classes for horizontal layout.

Use col-sm-10 to make the input take the remaining horizontal space next to the label in a horizontal form.

3fill in blank

hard

Fix the error in the horizontal form code by completing the missing class for the label.

Bootsrap

<div class="form-group row">
  <label for="password" class="[1]">Password</label>
  <div class="col-sm-10">
    <input type="password" class="form-control" id="password" placeholder="Password">
  </div>
</div>

Drag options to blanks, or click blank then click option'

Aform-group

Bcol-sm-2 col-form-label

Cform-inline

Dform-control

Attempts:

3 left

💡 Hint

Common Mistakes

Using only 'col-sm-2' without 'col-form-label'.

Using 'form-control' class on label.

The label in a horizontal form needs both col-sm-2 for width and col-form-label for proper alignment.

4fill in blank

hard

Fill both blanks to create an inline form with a text input and a submit button aligned horizontally.

Bootsrap

<form class="[1]">
  <input type="text" class="[2]" placeholder="Username">
  <button type="submit" class="btn btn-primary">Login</button>
</form>

Drag options to blanks, or click blank then click option'

Aform-inline

Bform-control

Cform-group

Dform-horizontal

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'form-group' instead of 'form-control' on input.

Missing 'form-inline' on the form tag.

Use form-inline on the form to make it inline, and form-control on the input for proper styling.

5fill in blank

hard

Fill all three blanks to create a horizontal form group with label, input, and help text below the input.

Bootsrap

<div class="form-group row">
  <label for="phone" class="[1]">Phone</label>
  <div class="[2]">
    <input type="tel" class="form-control" id="phone" placeholder="Phone number">
    <small class="form-text text-muted">[3]</small>
  </div>
</div>

Drag options to blanks, or click blank then click option'

Acol-sm-2 col-form-label

Bcol-sm-10

CEnter your phone number including area code

Dform-inline

Attempts:

3 left

💡 Hint

Common Mistakes

Not using grid classes on label and input container.

Forgetting to add help text or using wrong classes.

The label uses col-sm-2 col-form-label for horizontal layout, the input container uses col-sm-10, and the help text provides user guidance.

Practice

1. What is the main purpose of using an inline form layout in Bootstrap?

easy

A. To hide form labels and only show inputs

B. To stack form controls vertically with labels on top

C. To place form controls and buttons in a single horizontal row for compactness

D. To create a multi-step form wizard

Solution

1. Step 1: Understand inline form layout

   Inline forms arrange inputs and buttons side by side in one row to save space.

2. Step 2: Compare with other layouts

   Unlike vertical or horizontal forms, inline forms keep everything compact horizontally.

3. Final Answer:

   To place form controls and buttons in a single horizontal row for compactness -> Option C

4. Quick Check:

   Inline form = compact horizontal layout [OK]

Hint: Inline forms put inputs and buttons in one row [OK]

Common Mistakes:

• Confusing inline with vertical stacking
• Thinking inline hides labels
• Assuming inline creates multi-step forms

2. Which Bootstrap class is used to create a horizontal form layout?

easy

A. .form-horizontal

B. .form-control

C. .form-row

D. .form-inline

Solution

1. Step 1: Identify horizontal form class

   Bootstrap uses .form-horizontal to align labels and inputs side by side.

2. Step 2: Differentiate from other classes

   .form-inline is for inline forms; .form-control styles inputs; .form-row is for grid rows.

3. Final Answer:

   .form-horizontal -> Option A

4. Quick Check:

   Horizontal form = .form-horizontal [OK]

Hint: Horizontal forms use .form-horizontal class [OK]

Common Mistakes:

• Using .form-inline for horizontal layout
• Confusing .form-control with layout classes
• Thinking .form-row alone creates horizontal forms

3. What will be the visual result of this Bootstrap form snippet?

<form class="form-inline">
  <label for="email" class="mr-2">Email</label>
  <input type="email" class="form-control mr-2" id="email" placeholder="Enter email">
  <button type="submit" class="btn btn-primary">Submit</button>
</form>

medium

A. Form controls are stacked but labels are missing

B. Label appears above input, button below input vertically

C. Only the button is visible, label and input are hidden

D. Label, input, and button appear side by side in one horizontal row

Solution

1. Step 1: Analyze form class

   The form uses form-inline, which arranges controls horizontally.

2. Step 2: Check elements and spacing

   Label, input, and button have margin classes to separate them horizontally in one row.

3. Final Answer:

   Label, input, and button appear side by side in one horizontal row -> Option D

4. Quick Check:

   form-inline = horizontal row layout [OK]

Hint: form-inline means all controls in one row [OK]

Common Mistakes:

• Expecting vertical stacking with form-inline
• Ignoring margin classes causing cramped layout
• Thinking labels are hidden in inline forms

4. Identify the error in this horizontal form snippet:

<form class="form-horizontal">
  <label class="col-sm-2 control-label" for="name">Name</label>
  <input type="text" class="form-control col-sm-10" id="name" placeholder="Name">
</form>

medium

A. Label should not have control-label class

B. Input should be wrapped inside a <div class="col-sm-10"> for proper grid layout

C. Form must use form-inline instead of form-horizontal

D. Input is missing the form-group class

Solution

1. Step 1: Understand horizontal form grid

   In Bootstrap horizontal forms, inputs must be inside grid columns wrapped in a div for alignment.

2. Step 2: Check snippet structure

   The input has the column class but is not wrapped in a div, breaking the grid layout.

3. Final Answer:

   Input should be wrapped inside a <div class="col-sm-10"> for proper grid layout -> Option B

4. Quick Check:

   Horizontal form inputs need column div wrappers [OK]

Hint: Wrap inputs in column divs for horizontal forms [OK]

Common Mistakes:

• Adding column classes directly to inputs without wrapper
• Removing control-label class from labels
• Confusing form-inline with form-horizontal

5. You want a responsive horizontal form where labels take 3 columns and inputs take 9 columns on medium screens and above, but stack vertically on small screens. Which Bootstrap classes should you use?

hard

A. Use col-md-3 on labels and col-md-9 wrapped in div on inputs inside a form-horizontal

B. Use col-sm-3 on labels and col-sm-9 on inputs without wrappers

C. Use form-inline with col-3 on labels and col-9 on inputs

D. Use form-horizontal with fixed pixel widths on labels and inputs

Solution

1. Step 1: Choose breakpoint classes for responsiveness

   Using col-md-3 and col-md-9 applies columns on medium screens and larger, stacking on smaller.

2. Step 2: Wrap inputs in a div with column class inside form-horizontal

   This ensures proper horizontal alignment and responsive stacking.

3. Final Answer:

   Use col-md-3 on labels and col-md-9 wrapped in div on inputs inside a form-horizontal -> Option A

4. Quick Check:

   Responsive horizontal form = col-md-* + wrappers + form-horizontal [OK]

Hint: Use col-md-* classes with wrappers for responsive horizontal forms [OK]

Common Mistakes:

• Using col-sm-* classes causing stacking too early
• Not wrapping inputs in divs with column classes
• Using form-inline for horizontal responsive layout