JavaScript removes the first element instance analysis of a prime group using the shift method

2020-05-26 07:49:20
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This example demonstrates the use of JavaScript to remove the first element of a prime group using the shift method. Share with you for your reference. The details are as follows:

In JS, we can remove the last element of the array by pop method, and the first element of the array by shift method


<!DOCTYPE html>
<html>
<body>
<p id="demo">
Click the button to remove the first
element of the array.</p>
<button onclick="myFunction()">Try it</button>
<script>
var fruits = ["Banana","Orange","Apple","Mango"];
function myFunction()
{
fruits.shift();
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script>
</body>
</html>

The above code outputs the following results

Orange,Apple,Mango

I hope this article is helpful for you to design javascript program.