What is "function*" in JavaScript?
The function* declaration is used to define a generator function. It returns a Generator object. Generator Functions allows execution of code in between when a function is exited and resumed later. So, generators can be used to manage flow control in a code.
Syntax
Here’s the syntax −
function *myFunction() {}
// or
function* myFunction() {}
// or
function*myFunction() {}Let’s see how to use generator function
Example
Live Demo
<html>
<body>
<script>
function* display() {
var num = 1;
while (num < 5)
yield num++;
}
var myGenerator = display();
document.write(myGenerator.next().value);
document.write("<br>"+myGenerator.next().value);
document.write("<br>"+myGenerator.next().value);
document.write("<br>"+myGenerator.next().value);
document.write("<br>"+myGenerator.next().value);
</script>
</body>
</html>
Published on 29-Jan-2018 15:12:06
