I have been making preloader based on counting images in the html document according to one youtube tutorial.
I got stuck and don't understand why console.log command says that the amount of loaded images is 0, though I have some images in the html document.
I have made the codesandbox so that one could easily see the code: https://codesandbox.io/s/preloader-mip2o?file=/app.js
Thank you for your help!
It happens, because JavaScript works asynchronously.
I've added 1 line to image_loaded function:
function image_loaded() {
alert("In image_loaded")
images_loaded_count++;
...
After that I run it in browser and see that console.log is called before images are actually loaded.