طريقة هذه المقالة بسيطة للغاية ، والأفكار تستحق التوصية للغاية. يرجى الرجوع إليها.
نسخة الكود كما يلي:
<! doctype html>
<html>
<head>
<meta http-equiv = "content-type" content = "text /html ؛ charset = utf-8" />
<title> JavaScript Simple Calculator </title>
<script>
// تحديد المتغير العالمي var one = "1" ؛
var two = "2" ؛
var three = "3" ؛
var Four = "4" ؛
var five = "5" ؛
var Six = "6" ؛
var Seven = "7" ؛
var eight = "8" ؛
var nine = "9" ؛
var Zero = "0" ؛
var plus = "+" ، minus = "-" ، multiply = "*" ، divide = "/" ، decimal = "." ؛
وظيفة إدخال (OBJ ، سلسلة) {
obj.expr.value+= string ؛
}
COMPUTE (OBJ) {// انقر فوق الدالة مساوية للزر "=" للاتصال ؛ obj.expr.value = eval (obj.expr.value) ؛ // استخدم JS للحصول على طريقة eval () لحساب الاسم كصيغة في expr}
</script>
</head>
<body>
<form name = "calc" id = "calc" Action = "">
<griding>
<TD colspan = "4"
<tr>
<td> <input type = "button" value = "7" onClick = "Enter (this.form ، Seven)" /> </td>
<td> <input type = "button" value = "8" onClick = "Enter (this.form ، eight)" /> </td>
<td> <input type = "button" value = "9" onClick = "Enter (this.form ، Nine)" /> </td>
<td> <input type = "button" value = " /" onClick = "Enter (this.form ، divide)" /> </td>
</r>
<tr>
<td> <input type = "button" value = "4" onClick = "Enter (this.form ، أربعة)" /> </td>
<td> <input type = "button" value = "5" onClick = "Enter (this.form ، Five)" /> </td>
<td> <input type = "button" value = "6" onClick = "Enter (this.form ، Six)" /> </td>
<td> <input type = "button" value = " *" onClick = "Enter (this.form ، multiply)" /> </td>
</r>
<tr>
<td> <input type = "button" value = "1" onClick = "Enter (this.form ، one)" /> </td>
<td> <input type = "button" value = "2" onClick = "Enter (this.form ، اثنين)" /> </td>
<td> <input type = "button" value = "3" onClick = "Enter (this.form ، three)" /> </td>
<td> <input type = "button" value = " -" onClick = "Enter (this.form ، minus)" /> </td>
</r>
<tr>
<td colspan = "2"> <input type = "button" value = "0" onClick = "Enter (this.form ، Zero)" /> </td>
<td> <input type = "button" value = ".
<td> <input type = "button" value = " +" onClick = "Enter (this.form ، plus)" /> </td>
</r>
<tr>
<td colspan = "2"> <input type = "button" value = "=" onClick = "compute (this.form)" /> </td>
<td colspan = "2"> <input type = "button" value = "ac" onClick = "form.Reset ()"/> </td>
</r>
</table>
</form>
</body>
</html>
هل هو رمز Super NB ، مستوى رئيسي!