<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>js代码的精简
原文地址：https://www.cnblogs.com/Jxliu/p/8744867.html