寄情築園爪哇程式下載區 // http://java.love12.tw // 全方位.多元化.新世代休閒網站...

■ 語法主題：加減乘除法運算

■ 控制碼內容：
將下面複製至 <head> 區內

<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
correct=0;
wrong=0;

function random(maxValue) {
day= new Date();
hour= day.getHours();
min=day.getMinutes();
sec=day.getSeconds();
mili=day.getTime()
return(((hour*3600)+(min*60)+(sec)+mili) % maxValue);
}
function ranom(maxValue) {
day= new Date();
mil=day.getTime();
return((mil) % maxValue);
}

function add() {
if(document.quizform.arithmetic[0].checked)
maxValue=10;
else {
if(document.quizform.arithmetic[1].checked)
maxValue=30;
else {
maxValue=60;
   }
}
numA=random(maxValue);
numB=ranom(maxValue);
numC=numA + numB;
Answer=window.prompt(  numA + "+"  + numB +  " = ", "");
ans();
}
function subtract() {
if(document.quizform.arithmetic[0].checked)
maxValue=10;
else
{if(document.quizform.arithmetic[1].checked)
maxValue=30;
else {
maxValue=60
   }
}
numA=random(maxValue);
numB=ranom(maxValue);
numC=numA - numB;
Answer=window.prompt(  numA + "-"  + numB+  " = ", 0);
ans()
}
function divide() {
if(document.quizform.arithmetic[0].checked)
maxValue=10;
else {
if(document.quizform.arithmetic[1].checked)
maxValue=30;
else {
maxValue=60
   }
}
numA=random(maxValue)+1;
numB=ranom(maxValue)+1;
numC=numA / numB;
numC=Math.round(numC)
window.alert("Please round your answer off:\n"
+".5 or higher rounds one number up\n"
+".4 or lower rounds one number down");
Answer=window.prompt(  numA + "/"  + numB +  " = ", 0);
ans()
}
function multiply() {
if(document.quizform.arithmetic[0].checked)
maxValue=10;
else {
if(document.quizform.arithmetic[1].checked)
maxValue=30;
else {
maxValue=60
   }
}
numA=random(maxValue);
numB=ranom(maxValue);
numC=numA * numB;
Answer=window.prompt(  numA + "*"  + numB +  " = ", 0);
ans();
}
function check() {
if ((correct+wrong) != 0) {
score = "" + ((correct / (correct + wrong)) * 100);
score = score.substring(0,4) + "%";
alert("你解答的正確率是： " + score + "\n" 
+ correct + " 次答對\n"
+ wrong + " 次答錯")
}
else alert("你還未完成任一選題");
}
function ans() {
if (Answer == numC) {
correct++;
msg = "恭喜，你的解答正確";
}
else {
wrong++;
msg = "回答錯誤！ " + Answer + "  答案不正確\n\n"
+ "正確答案是 " +numC + ".";
   }
score = "" + ((correct / (correct + wrong)) * 100);
score = score.substring(0,4) + "%";
alert(msg + "\n\n你解答的正確率是： " + score + "\n" 
+ correct + " 次答對\n"
+ wrong + " 次答錯")
}
//  End -->
</script>

■ 控制碼內容：
將下面複製至 <body> 標籤後