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.
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<!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 numebrs.
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<!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: All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version
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