how to cancel all open orders about node-binance-api HOT 2 CLOSED

// Cancel all open orders for a symbol
binance.cancelOrders("XMRBTC", function(response, symbol) {
	console.log(symbol+" cancel response:", response);
});

binance.cancelOrders("XMRBTC");

// Cancel all open orders for a symbol
binance.openOrders("XMRBTC", function(json, symbol) {
	for ( let obj of json ) {
		let quantity = obj.origQty - obj.executedQty;
		console.log("cancel order: "+obj.side+" "+symbol+" "+quantity+" @ "+obj.price+" #"+obj.orderId);
		binance.cancel(symbol, obj.orderId, function(response) {
			//console.log("..response: ", response);
		});
	}
});

// Get list of open orders
binance.balance(function(balances) {
	//console.log("balances()", balances);
	for ( let symbol in balances ) {
		let obj = balances[symbol];
		let onOrder = parseFloat(obj.onOrder);
		//console.log(symbol+" balance: "+obj.available);
		if ( onOrder > 0 ) {
			console.log(symbol+" on order: "+onOrder);
		}
	}
});