Java Script Arrays Elements

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<h2>JavaScript Arrays</h2>

<p>JavaScript array elements are accessed using numeric indexes (starting from 0).</p>

<script>
let courses = ["HTML", "CSS", "JS"];
document.write("<b>"+ courses +"<b><br>");
courses[courses.length -1] = "JavaScript";
document.write("<b>"+ courses +"<b>");
</script>

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