Deprecated and Avoided Features

Deprecated Elements

Avoid these obsolete elements:

• <font> – Use CSS
• <center> – Use CSS text-align
• <big>, <small> – Use CSS font-size (except <small> for fine print)
• <strike>, <s> – Use <del> or CSS
• <tt> – Use <code> or CSS
• <frame>, <frameset> – Use modern layout
• <marquee>, <blink> – Use CSS animations
• <applet> – Use <object> or modern JS

Avoid Inline JavaScript

<!-- ❌ Avoid -->
<button onclick="handleClick()">Click</button>
<a href="javascript:void(0)">Link</a>

<!-- ✅ Better -->
<button id="myButton">Click</button>
<script>
  document.getElementById('myButton')
    .addEventListener('click', handleClick);
</script>

Avoid Inline Styles

<!-- ❌ Avoid -->
<p style="color: red; font-size: 16px;">Text</p>

<!-- ✅ Better -->
<p class="error-text">Text</p>

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