When I go to https://www.google.com/ and enter console.log("Hello world!") into the Chrome DevTools console, it prints "Hello world!" as expected. However, when I try the same command on , nothing shows up in the console. Why doesn't it work for this MT website?
Is there a way to make the console function properly for this specific website?
I attempted to use python/selenium to open the page and execute_script() with the command, but that approach didn't produce the desired results either.
When running the code
console.dir(console.log)
and selecting the [[FunctionLocation]], you can find the following snippet in the website's source code:
"Debug" != e && (window.console.log = function() {}
)
It appears to be a simple (but perhaps lazy?) method used to disable logging on a production environment.
To address this issue, one possible solution is to utilize alternative console commands. (such as console.dir or console.error)
If returning the original functionality of console.log is necessary, it would require executing code prior to the page loading in order to preserve a reference to the function. This could be achieved with a userscript like the one below:
// <metadata block...>
// @grant none
// ==/UserScript==
const origConsoleLog = console.log;
// reset window.console.log to its initial state
// after the page has loaded
setTimeout(() => {
window.console.log = origConsoleLog;
}, 2000);
// there are also more sophisticated but complex methods available
CertainPerformance previously discussed how it's possible to suppress the log and provided insight into the reason for doing so. Here, I will share an alternative method to recover console.log after it has been lost.
document.body.appendChild(document.createElement('IFRAME')).onload = function () {
this.contentWindow.console.log('Hello, World!');
this.remove();
};
This approach involves using a traditional technique of restoring global objects from a temporary iframe.
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