Mengapa pengiraan tidak memaparkan keputusan?
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BB 2021-10-28 15:43:07
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<!doctype html>

<html>

<head>

<meta charset="utf-8">

<tajuk&

<tajuk&

<tajuk&

< lt bahagian

lebar sempadan:1px;

gaya sempadan:pepejal;}

</gaya>

</kepala>

<badan>

;>

; gt ;

<img src="image/logo.jpg" width="260" height="31">Selamat datang ke Taobao!

</h1>

<form action="" method="post" name="myform" id="myform">

<h3>

<img src="file:/ //F|/17webpage/computer/image/shopping cart.jpg" width="54" height="54">Kalkulator beli-belah mudah

</h3>

nombor pertama<input name="txtNum1" type="text" class="textBaroder" id="txtNum1" size="25">

Nombor kedua<input name="txtNum2" type="text" class= "textBaroder" id="txtNum2" size="25">

<input name="addButton2" type="button" id="addButton2" value=" + " onChange="compute('+' )">

< nama input="subButton2" type="button" id="subButton2" value=" - " onChange="compute('-')">

<input name="mulButton2 " type="button" id= "mulButton2" value=" × " onChange="compute('*')">

<input name="divButton2" type="button" id="divButton2" value= " ÷ " onChange="compute( '/')">

Hasil pengiraan<INPUT name="textResult" type="text" class="textBaroder" id="textResult" size="25"> ;

</form> . nilai);

num2 = oarseFloat(document.myform.txtNum2.value);

if (op=="+")

document.myform.txtResult.value = num1+num2;

if (op=="-" )

document.myform.txtResult.value = num1-num2;

if (op=="*")

document.myform.txtResult.value = num1*num2;

if (op=="/" && num2!=0)

document.myform.txtResult.value = num1/num2;

}

</script>

</body>

</html>

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membalas semua(3)
雪了无痕

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小晴子

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逆旅行人

1.oarseFloat? parseFloat? Ia benar-benar mengelirukan 2. Terdapat masalah lain, txtResult salah 3. Bolehkah onChange digunakan? Gantikan dengan onclick

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