배열6_개념02_배열삭제2

<script> /* arr배열에서 20만 삭제하시오. */ let arr = [10, 20, 30, 20, 20, 20, 70, 80, 90, 100]; document.write("arr = " + arr + "<br>"); for(let i=0; i<arr.length; i++) { if(arr[i] == 20) { arr.splice(i, 1); // i -= 1; } } document.write("arr = " + arr + "<br>"); </script>