<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var str = '2008/6/30';
var arr = str.split('/');
var year = arr[0];
var month = arr[1];
var day = arr[2];
console.log(year);
console.log(month);
console.log(day);
var max = ['1', '3', '5', '7', '8', '10', '12'];
var min = ['4', '6', '9', '11'];
console.log(arr);
if (!(month >= 1 && month <= 12)) {
console.log('错误日期');
}
if ((month == 2)) {
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
if (day >= 1 && day <= 29) {
console.log('正确日期');
} else {
console.log('错误日期');
}
} else {
if (day >= 1 && day <= 28) {
console.log('正确日期');
} else {
console.log('错误日期');
}
}
} else if (max.indexOf(month) != -1) {
if (day >= 1 && day <= 31) {
console.log('正确日期');
} else {
console.log('错误日期');
}
} else {
if (min.indexOf(month) != -1) {
if (day >= 1 && day <= 30) {
console.log('正确日期');
} else {
console.log('错误日期');
}
}
}
</script>
</body>
</html>
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