Interpolation with double curly braces in Angular - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to display the value of title using Angular interpolation.

Angular

<h1>[1]</h1>

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

Atitle;

Btitle

C[title]

Dtitle()

Attempts:

3 left

💡 Hint

Common Mistakes

Adding parentheses like title() which is not valid for interpolation.

Using square brackets which are for property binding, not interpolation.

In Angular, double curly braces {{ }} are used to display the value of a component property. Here, {{title}} shows the value of the title property.

2fill in blank

medium

Complete the code to interpolate the user.name property inside a paragraph.

Angular

<p>Hello, [1]!</p>

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

Auser.name

Buser-name

Cuser[name]

Duser_name

Attempts:

3 left

💡 Hint

Common Mistakes

Using hyphens which are invalid in property names.

Using brackets which are not supported in interpolation.

To access nested properties in Angular interpolation, use dot notation like {{user.name}}.

3fill in blank

hard

Fix the error in the interpolation to correctly display the count property.

Angular

<span>[1]</span>

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

A[count]

Bcount()

Ccount

Dcount;

Attempts:

3 left

💡 Hint

Common Mistakes

Adding parentheses like count() which is invalid in interpolation.

Adding semicolons which cause syntax errors.

Interpolation expects a property name without parentheses or semicolons. Use {{count}} to display the value.

4fill in blank

hard

Fill both blanks to interpolate the user.firstName and user.lastName properties separated by a space.

Angular

<p>[1] [2]</p>

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

Auser.firstName

Buser_lastName

Cuser.lastName

Duser.first_name

Attempts:

3 left

💡 Hint

Common Mistakes

Using underscores instead of camelCase property names.

Mixing property name styles causing errors.

Use dot notation for both properties inside interpolation to display first and last names.

5fill in blank

hard

Fill all three blanks to interpolate the uppercase title, the author.name, and the year properties.

Angular

<h2>[1] by [2], [3]</h2>

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

Atitle.toUpperCase()

Bauthor.name

Cyear

Dtitle

Attempts:

3 left

💡 Hint

Common Mistakes

Using plain {{title}} instead of {{title.toUpperCase()}} for uppercase display.

Incorrect syntax for nested properties like author.name.

Angular interpolation supports parameterless method calls like {{title.toUpperCase()}}. Use {{title.toUpperCase()}} by {{author.name}}, {{year}}.