lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var a = 1;
        var b = 2;
        var c = a + b;
        //  + *乘 /除 %取余
        // console.log(3/2);
        // console.log(3%2);
        // console.log((3+2)*3);

        // a = a + 1;
        // a += 1; // += 1 等价于 a = a + 1
        // a *= 1; // *= 1 等价于 a = a * 1
        // a /= 1; // /= 1 等价于 a = a / 1
        // a %= 1; // %= 1 等价于 a = a % 1
        // a++;// a = a + 1; 表示先赋值后运算
        //++a;// a = a + 1; 表示先运算后赋值
        // console.log(++a);
        console.log(a++);
        
        

        var d = "hello";
        var e = 1;
        var f = "1"
        // console.log(f+e);
        
        
        
    </script>
</body>
</html>