ex02.html
<script>
for(let i=1; i<3; i++) {
console.log(i);
}
for(let i=7; i>=3; i--) {
console.log(i);
}
const n1 = document.querySelector('#n1');
const b1 = document.querySelector('#b1');
const o1 = document.querySelector('#o1');
b1.addEventListener('click', function(){
o1.innerHTML = "";
for(let i=1; i<10; i++){
o1.innerHTML +=
`${n1.value} * ${i} = ${Number(n1.value)*i} <br />`;
}
o1.innerHTML += "<hr />";
const arr = [1,2,3,4,5,6,7,8,9];
for(let tmp of arr){
o1.innerHTML +=
`${n1.value} * ${tmp} = ${Number(n1.value)*tmp} <br />`;
}
});
</script>