Basic Javascript Functions In Topic

[redprogrammer (Emre Demir)]

Hi,

i want to run some basic javascript functions in discourse topic for example,

there is 3 textboxes for the addition of 2 number

[Mittineague]

Have you tried putting up a CodePen and oneboxing it?

eg.

[redprogrammer (Emre Demir)]

İ think codepen is not free, am i right?

if i am right, i am looking for a free solution

[sam (Sam Saffron)]

Codepen is free and excellent

[redprogrammer (Emre Demir)]

thanks for your helps