<!--@description-->
<!--@author beyondx-->
<!--@date Created in 2022/07/30/ 18:07-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>数组求和</title>
</head>
<body>
<script>
var myArray = [12, 26, 1, 7, 8, 4];
// for...in遍历
var sum = 0;
for(var i in myArray) {
sum += myArray[i];
}
console.log("sum = "+ sum);
</script>
</body>
</html>