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標籤：計算 script ext htm title parse font 計算機 his
代碼執行個體：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>計算機執行個體效果</title> <script type="text/javascript"> var compute=function (val) { var num1=parseFloat(document.getElementById("num1").value); var num2=parseFloat(document.getElementById("num2").value); var num3=document.getElementById("num3"); if(val==‘+‘) { num3.value=num1+num2; } if(val==‘-‘) { num3.value=num1-num2; } if(val==‘*‘) { num3.value=num1*num2; } if(val==‘/‘) { num3.value=num1/num2; } } </script></head><body><h2>計算機</h2>數字1:<input type="text" id="num1"><br/>數字2:<input type="text" id="num2"><br/><input type="button" value="+" onclick="compute(this.value)"/><input type="button" value="-" onclick="compute(this.value)"/><input type="button" value="*" onclick="compute(this.value)"/><input type="button" value="/" onclick="compute(this.value)"/><br>結果:<input type="text" id="num3"/><br></body></html>
效果：
2017-09-05 00:00:33
JavaScript執行個體之計算機
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