<b>What will be the output for the following code?</b>

<span style="font-weight: 400;">@Input() items: string[];</span>

<span style="font-weight: 400;">ngOnChanges(changes: SimpleChanges) {</span>

<span style="font-weight: 400;">  if (changes.items &amp;&amp; changes.items.currentValue) {</span>

<span style="font-weight: 400;">    console.log(changes.items.currentValue.length);</span>

<span style="font-weight: 400;">  }</span>

<span style="font-weight: 400;">}</span>

<span style="font-weight: 400;">// In a parent component:</span>

<span style="font-weight: 400;">&lt;app-child [items]="['A', 'B', 'C']"&gt;&lt;/app-child&gt;</span>