You can generate a number sequence in JavaScript using fill and map method and store the values in Array.
JavaScript generate a number sequence Example
HTML example code generate array of sequential numbers in JavaScript.
<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">
function range(start, end) {
return Array(end - start + 1).fill().map((_, idx) => start + idx)
}
var seqNumbers = range(9, 18);
console.log(seqNumbers);
</script>
</body>
</html>Output:
Make re-usable function
This function will work to generate a sequence of numbers in javascript.
Let’s see an example to generate a number in the sequence (series) with step 3 up to 8 numbers.
<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">
function makeArray(count, content) {
var result = [];
if(typeof content == "function") {
for(var i = 0; i < count; i++) {
result.push(content(i));
}
} else {
for(var i = 0; i < count; i++) {
result.push(content);
}
}
return result;
}
var myArray = makeArray(8, function(i) { return i * 3; });
console.log(myArray)
</script>
</body>
</html>Output
Do comment if you have another example or doubts on this topic or codes.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version