Cordova Php Get Back To The Original Page

I am building a Cordova ( intel XDk app ) with HTML CSS and JavaScript. For Backend i use PHP. I want that after the php finishes it's job, it will return to a specific page in my

Solution 1:

you have a wrong sequnce of quotes try assign properly and escape the inner quotes

 echo '<button onclick="activate_page(\'#menupage\');">Go to the menu</button>';