امثلة عن المعاملات JavaScript Arithmetic

2021-03-28
daafoor

مثال عن العمليات الحسابية الأربعة الأساسية:

<!DOCTYPE html>
<html>
<body>

<h2>The + Operator</h2>

<p id="demoPlus"></p>

<h2>The - Operator</h2>

<p id="demoMinus"></p>

<h2>The * Operator</h2>

<p id="demoTimes"></p>

<h2>The / Operator</h2>

<p id="demoPor"></p>

<script>
var x = 5;
var y = 2;
var z = x + y;
var q = x-y ;
var p = x*y;
var v = x/y;
document.getElementById("demoPlus").innerHTML = z;
document.getElementById("demoMinus").innerHTML = q;
document.getElementById("demoTimes").innerHTML = p;
document.getElementById("demoPor").innerHTML = v;
</script>
</body>
</html>

مثال عن المعامل ++ زيادة 1 على قيمة المتحول:

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Operators</h2>

<p>In this example, y is incremented before it is assigned to x (pre-incremented).</p>

<p id="demo1"></p>
<p id="demo2"></p>

<script>
var y = 5;
var x = ++y;
document.getElementById("demo1").innerHTML = y;
document.getElementById("demo2").innerHTML = x;
</script>

</body>
</html>

مثال عن المعامل -- انقاص 1 من قيمة المتحول:

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Operators</h2>

<p>In this example, y is decremented before it is assigned to x (pre-decremented).</p>

<p id="demo1"></p>
<p id="demo2"></p>

<script>
var y = 5;
var x = --y;
document.getElementById("demo1").innerHTML = y;
document.getElementById("demo2").innerHTML = x;
</script>

</body>
</html>

مثال عن المعامل % باقي القسمة:

<!DOCTYPE html>
<html>
<body>

<h2>The % Operator</h2>

<p id="demo"></p>

<script>
var x = 5;
var y = 2;
var z = x % y;
document.getElementById("demo").innerHTML = z;
</script>

</body>
</html>