lovecoding
/
Web1020


			
				
					
						
						
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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        // 判断闰年
        function foo(a){
            if(a % 4 ==0 && a % 100 != 0 || a % 400 == 0){
                return true;
            }else{
                return false;
            }
        }
        // var day = new Date();
        // var year = day.getFullYear();
        // var month = day.getMonth() + 1;
        // var date = day.getDate();
        
        function foo2(x,y,z){
            var monthArr = [31,28,31,30,31,30,31,31,30,31,30,31];
            // 判断是否是闰年 如果为闰年 2月份为29天
            if(foo(x)){
                monthArr[1] = 29;
            }
            // 计算天数
            var sumDay = 0;
            for(var i=0;i<y-1;i++){
                sumDay += monthArr[i];
            }
            sumDay += z;
            return sumDay;
        }
        console.log(foo2(2025,4,10))
        
    </script>
</body>

</html>