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<html><body><h1>JavaScript Comments</h1><h2>Comments are NOT Executed</h2><p id="demo"></p><script>let x;x = 5;// x = 6; I will not be executeddocument.getElementById("demo").innerHTML = x;</script></body></html><html><body><h1>JavaScript Comments</h1><h2>Comments are NOT Executed</h2><p id="demo"></p><script>let x;x = 5;// x = 6; I will not be executeddocument.getElementById("demo").innerHTML = x;</script></body></html>