<script type="text/javascript">
function testFunction()
{
alert("안녕안녕안녕")
}
<button onclick="testFunction()">안녕</button>
</script>
<div id="mydivid"></div>
<script type="text/javascript">
let names= ["name1", "names2", "names3", "name4"]
document.getElemetById("mydivid").innerHTML= names;
</script>
반복문
<div id="mydivid"></div>
<script type="text/javascript">
let names= ["name1", "names2", "names3", "name4"]
document.getElemetById("mydivid").innerHTML= names;
for(i=0; i<4; i=i+1){
alert(names[i]);
}
for(i=0; i<4; i=i+2){
alert(i);
}
</script>