oken variable">input</span> <span class="token variable">value</span><span class="token punctuation">=</span><span class="token variable">this</span><span class="token punctuation">.</span><span class="token variable">firstName</span> <span class="token variable">key-press</span><span class="token punctuation">=</span><span class="token punctuation">(</span><span class="token variable">action</span> <span class="token string">"updateFirstName"</span><span class="token punctuation">)</span><span class="token