Javascript Calculator Keeps Concatenating Calculation Results With First Number Entered For Next Calculation January 24, 2024 Post a Comment Solution 1: You are concatenating strings. You should have a look at parseInt / parseFloat; watch out for the radix, otherwise JavaScript will try to guess it... Share You may like these postsUsing Document.queryselector('.').style. To Change *two* Css Properties Of A Different DivForm Not Posting ValuesCss Position Fixed. Div Wrapper Must Be Fixed Vertically But Must Be Varying In HorizontallyWrong Content When Refresh A Page Contains Iframes In Ie Post a Comment for "Javascript Calculator Keeps Concatenating Calculation Results With First Number Entered For Next Calculation"