<script type="text/javascript">var a1 = prompt("請輸入第一個數(shù)字");var a2 = prompt("請輸入第二個數(shù)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>

精簡后

<script type="text/javascript">var FirstNum = Number(prompt("請輸入第一個數(shù)字"));var SecondNum = Number(prompt("請輸入第二個數(shù)字"));console.log( "加法結(jié)果："+(FirstNum+SecondNum)+";"+"減法結(jié)果："+(FirstNum-SecondNum)+";"+"乘法結(jié)果："+(FirstNum*SecondNum)+";"+"除法結(jié)果："+(FirstNum/SecondNum)+";"+"取余結(jié)果："+(FirstNum%SecondNum)+";");</script>

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轉(zhuǎn)載于:https://www.cnblogs.com/Jxliu/p/8744867.html

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