Function endsWith

project/emscripten/boxedwine-shell.js:856–858

(str, suffix)

	selectedFilename = filename
}
function endsWith(str, suffix) {
    return str.indexOf(suffix, str.length - suffix.length) !== -1;
}
function extract() {
	let file = document.getElementById('selectedItem').value;
	if(file != null && file.length > 0 && files.length > 1) {