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  • js代码的精简

    <script type="text/javascript">
        var a1 = prompt("请输入第一个数字");
        var a2 = prompt("请输入第二个数字");
        a1 = Number(a1);
        a2 = Number(a2);
        a3 = a1 + a2;
        console.log("a1 + a2 = "+a3);
        a4 = a1 - a2;
        console.log("a1 - a2 = "+a4);
        a5 = a1 * a2;
        console.log("a1 * a2 = "+a5);
        a6 = a1 / a2;
        console.log("a1 / a2 = "+a6);
        a7 = a1 % a2;
        console.log("a1 % a2 = "+a7);
    </script>

    精简后

    <script type="text/javascript">
            var FirstNum = Number(prompt("请输入第一个数字"));
            var SecondNum = Number(prompt("请输入第二个数字"));
            console.log( "加法结果:"+(FirstNum+SecondNum)+";"
                        +"减法结果:"+(FirstNum-SecondNum)+";"
                        +"乘法结果:"+(FirstNum*SecondNum)+";"
                        +"除法结果:"+(FirstNum/SecondNum)+";"
                        +"取余结果:"+(FirstNum%SecondNum)+";");
            
        </script>
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  • 原文地址:https://www.cnblogs.com/Jxliu/p/8744867.html
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