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JavaScript

Ben Os
Ben Os
20,008 Points
Posted by Ben Os
Ben Os
20,008 Points

I have a Javascript function I run with Greasmonkey.. How could I call it only a single time per browser window?

I have a Javascript function I run with Greasmonkey. How could I call it only a single time per browser window?

For example:

  1. I open a browser, go to a certain webpage on which the function is working. The function runs once.
  2. I change the webpage to another, on the same browser session (window).
  3. I change the webpage back to a one in which the function is working but it won't work because it already worked only one time (stage 1).
  4. I close the browser session and open it again and repeat the process and again, the function runs only 1 time per session.

What should I add for this function, for example, so that it would run only once in the relevant webpage, per browser session?

document.addEventListener('DOMContentLoaded', function() {
    document.querySelector(".header-nav-item-sign-in").click();
}, false);

document.addEventListener('DOMContentLoaded', function() {
    document.querySelector("[type=submit]").click();
}, false);