What is the code for toggle button?

Question

when you click on button it should show other button like book unbook type

Answer 1

var button = document.getElementById("button-id");

button.addEventListener("click", function(){
if (button.classList.contains("unbook")){
button.classList.remove("unbook");
} else {
button.classList.add("unbook");
}
});

All you need is to specify #button-id.unbook style in CSS

Answer 2

https://developer.android.com/guide/topics/ui/controls/togglebutton.html

Answer 3

More descriptive question please.

Answer 4

More details please.

Answer 5

Here you go...
https://code.sololearn.com/WRD8Q1yqtHRc/?ref=app