how to call two javascript functions onclick of a submit button

// Get the button, and when the user clicks on it, execute myFunction document.getElementById("myBtn").onclick = function() {myFunction()}; /* myFunction toggles between adding and removing the show class, which is used to hide and show the dropdown content */ By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service.
Topic: JavaScript / jQuery Prev|Next. Why does the Quantum Realm behave different for Janet van Dyne than for Scott Lang?

For this so far i have tried this. How to print a triangle formed of '#' using JavaScript? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. but then when i click on button, postback does not occur..