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HTML程式碼如下:
<!DOCTYPE html>
<html>
<head>
<title>Ch5_6_2</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<script>
var strName,intBalance,blnSex;
var strNo,objTest,intTotal,strNo;
strNo = "100.56 的編號";
strName = "工藤新一";
intBalance = 1000;
blnSex = true;
objTest = new Object();
document.write("變數 strName: " + typeof(strName) + "<br/>");
document.write("變數 intBalance: " + typeof(intBalance) + "<br/>");
document.write("變數 blnSex: " + typeof(blnSex) + "<br/>");
document.write("變數 intTotal : " + typeof(intTotal) + "<br/>");
document.write("變數 objTest : " + typeof(objTest) + "<br/>");
intTotal = parseInt(strNo) + intBalance;
document.write("整數的總和: " + intTotal + "<br/>");
intTotal = parseFloat(strNo) + intBalance;
document.write("浮點數的總和: " + intTotal + "<br/>");
intTotal = eval("20 + 4 * 5");
document.write("字串運算式的值: " + intTotal + "<br/>");
</script>
</body>
</html>
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