[Solved] Consider this component code:export class AppComponent { items = [1, 2, 3]; }Which interpolation expression correctly displays the length of the items array? | Angular

Angular - Templates and Data Binding

Consider this component code:

export class AppComponent { items = [1, 2, 3]; }

Which interpolation expression correctly displays the length of the items array?

A{{ length(items) }}

B{{ items.length }}

C{{ items.size }}

D{{ items.count }}

Step-by-Step Solution

Solution:

Step 1: Recall how to get array length in JavaScript
Arrays have a length property to get their size.
Step 2: Check options
Only {{ items.length }} uses the correct property 'length'. Others use invalid methods or properties.
Final Answer:
{{ items.length }} -> Option B
Quick Check:
Use .length to get array size in {{ }} [OK]

Quick Trick: Use .length to get array size inside {{ }} [OK]

Common Mistakes:

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