Using Common JavaScript Functions by Van Nguyen
Author:Van Nguyen
Language: eng
Format: azw3
Published: 2017-08-01T07:00:00+00:00
</body>
</html>
» Output
2
□ isArray
check whether an object is an array
» Syntax
Array.isArray(obj)
» Parameters
† obj: Required, the object to be tested
» Sample Code
<!DOCTYPE html>
<html>
<body>
<p>Click the button to check if "fruits" is an array.</p>
<button onclick="myFunction()">Test</button>
<p id="demo"></p>
<script>
function myFunction() {
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var x = document.getElementById("demo");
x.innerHTML = Array.isArray(fruits);
}
</script>
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