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Right now I am using:
<%=button_to_function "✓", checkButton(), :class => "buttonGrey"%>
But the javascript function needs something to be passed to it so it can toggle the class( I want the buttons class to be changed upon pressing it) What would I pass as a param to represent the button?
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To call a JavaScript function from a button click, you need to add an event handler and listen for the click event from your <button> element. You can the id attribute to the <button> so that you can fetch it using the document. getElementById() method.
Use the onclick HTML attribute. The onclick event handler captures a click event from the users' mouse button on the element to which the onclick attribute is applied. This action usually results in a call to a script method such as a JavaScript function [...]
Since "button_to_function" is deprecated since Rails 4.0.2, now you can use "button_tag" helper.
Exemple:
<%= button_tag "Do It", type: 'button', onclick: "myFunction()", class: 'btn btn-default' %>
Note: If you use CoffeeScript, declare your function as:
window.myFunction =>
...
because in CofeeScript, functions are not global scoped by default.
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