CodePudding user response:

Code is not posted directly put the figure, which can knock one
Probably saw the visual is due to the input value is not to convert the type
Access to the input used to convert the value of the first and then to calculate

CodePudding user response:

Var aNumber=parseFloat (document. GetElementById (" a "). The value).

CodePudding user response:

Oh, suddenly understand me this because I don't have to define a and b as Numbers