Check if character is number?

by

You could use comparison operators to see if it is in the range of digit characters:

var c = justPrices[i].substr(commapos+2,1);
if (c >= '0' && c <= '9') {
    // it is a number
} else {
    // it isn't
}

More Related Contents:

  1. How To Display Images Preview and Title When I Paste in Another Site Like Facebook, Whatsapp, etc
  2. Prototypical inheritance – writing up [duplicate]
  3. How to get all properties values of a JavaScript Object (without knowing the keys)?
  4. jQuery .live() vs .on() method for adding a click event after loading dynamic html
  5. Crockford’s Prototypal inheritance – Issues with nested objects
  6. endsWith in JavaScript
  7. Post data to JsonP
  8. phantomjs not waiting for “full” page load
  9. How can I get the selected text in a textarea? [duplicate]
  10. Get the position of a div/span tag
  11. Password REGEX with min 6 chars, at least one letter and one number and may contain special characters
  12. Regex created via new RegExp(myString) not working (backslashes)
  13. Onclick event getting called automatically
  14. TinyMCE Paste As Plain Text
  15. Clearing localStorage in javascript?
  16. How do I clear all options in a dropdown box?
  17. How to draw a line between two divs?
  18. Typescript: No index signature with a parameter of type ‘string’ was found on type ‘{ “A”: string; }
  19. How to get the absolute position of a vertex in three.js?
  20. dragging and resizing an image on html5 canvas
  21. Promise : then vs then + catch [duplicate]
  22. Non-angular page opened after a click
  23. Calling a Javascript Function from Console
  24. In Javascript, what does this underscore mean?
  25. Fill available spaces between labels with dots or hyphens
  26. strange behaviour of variable named “status” in javascript
  27. Determine if user navigated from mobile Safari
  28. Are there differences between .then(functionReference) and .then(function(value){return functionReference(value)})?
  29. Disable drop paste in HTML input fields? [duplicate]
  30. ActiveX – Automation Server Can’t Create Object

Leave a Comment