امثلة عن الحلقات JavaScript Loops

برمجة جافاسكربت java script | Java script programmingاكواد برمجية برمجة جافاسكربت java scriptاكواد برمجية

2021-03-28

مشاهدات: 1104

مثال عن for loop:

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript For Loop</h2>

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

<script>
var text = "";
var i;
for (i = 0; i < 5; i++) {
  text += "The number is " + i + "<br>";
}
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>

مثال عن for loop in array:

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript For Loop</h2>

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

<script>
var cars = ["BMW", "Volvo", "Saab", "Ford", "Fiat", "Audi"];
var text = "";
var i;
for (i = 0; i < cars.length; i++) {
  text += cars[i] + "<br>";
}
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>

مثال عن while loop :

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript While Loop</h2>

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

<script>
var text = "";
var i = 0;
while (i < 10) {
  text += "<br>The number is " + i;
  i++;
}
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>

مثال عن do while loop :

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Do/While Loop</h2>

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

<script>
var text = ""
var i = 0;

do {
  text += "<br>The number is " + i;
  i++;
}
while (i < 10);  

document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>