1.CSS-6
<h2 id="css6"></h2>
<style>#css6::before{content:"1.CSS-6";}</style>
2.ATTR-6
<h2 data-title="2.ATTR-6" id="attr6"></h2>
<style>#attr6::before{content:attr(data-title);}</style>
3.IMG-6
<h2><img src="path/to/title6.png" alt=""></h2>
4.B64-6
// PHP GD ⇒ base64 image (see code sample)
5.SVGEM-6
<object data="title6.svg" type="image/svg+xml"></object>
6.CAN-6
<canvas id="can6" width="400" height="60"></canvas>
<script>
const c=document.getElementById('can6').getContext('2d');
c.font='32px Arial';c.fillText('6.CAN-6',10,40);
</script>
7.WEBGL-6
// WebGL canvas – omitted for brevity
8.JS-6
<h2 id="js6"></h2>
<script>document.getElementById('js6').innerText='8.JS-6';</script>
9.EVT-6
<h2 id="evt6">(click)</h2>
<script>document.getElementById('evt6').onclick=()=>{event.target.innerText='9.EVT-6'};</script>
10.COM-6
<h2><!--10.COM-6--></h2>
<script>...extract comment...</script>
11.ENC-6
// atob(<base64>) then inject
12.IFR-6
<iframe src="title6.html"></iframe>
13.PDF-6
<embed src="title6.pdf" type="application/pdf">
14.FNT-6
// custom icon font glyphs
15.FRM-6
<input value="15.FRM-6" disabled>
16.OBJ-6
<object data="title6-content.html"></object>
17.EMB-6
<embed src="title6-content.html">
18.SHD-6
<h2 is="shadow-title-6"></h2>
<script>
class ShadowTitle6 extends HTMLHeadingElement{
constructor(){super();const s=this.attachShadow({mode:'closed'});
const span=document.createElement('span');span.textContent='18.SHD-6';s.appendChild(span);}
}
customElements.define('shadow-title-6',ShadowTitle6,{extends:'h2'});
</script>
19.B64SVG-6
// <img src="data:image/svg+xml;base64,...">
20.XHR-6
<h2 id="xhr6"></h2>
<script>fetch('title6.txt').then(r=>r.text()).then(t=>xhr6.innerText=t);</script>
