Demo: read URL parameter using JavaScript
function ggbOnInit() {
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const command = urlParams.get("command");
alert(command)
ggbApplet.evalCommand('text = "' + command + '"');
commands = command.split(";");
for (var i = 0; i < commands.length; i++) {
try {
ggbApplet.evalCommand(commands[i]);
} catch (e) {
console.log(e, command);
}
}
}