My basic slate file

.slate.js

var moveops = [];

for(let j = 1; j < 5; j++) {
	moveops[j] = [];
	for(let i = 0; i < j; i++) {
		moveops[j][i] = [];
		for(let k = 0; k < 5; k++) {
			let f = win => {
				let op = slate.operation("move", {
					x: `screenOriginX + ${i} * (screenSizeX/${j})`,
					y: "screenOriginY",
					width: `(screenSizeX/${j}) * ${k}`,
					height: "screenSizeY"
				});
				win && win.doOperation(op)
			};
			moveops[j][i].push(f);
		}
	}
}

let screenNext = win => {
	if(!win) {
		return;
	}
	var screenCount = slate.screenCount(),
		curScreenId = parseInt(win.screen().id()),
		targetScreen;
	
	if(curScreenId + 1 >= screenCount) {
		targetScreen = slate.screenForRef("0")
	} else {
		targetScreen = slate.screenForRef(`${curScreenId + 1}`)
	}
	slate.log(`current screen ${curScreenId}; target screen ${targetScreen.id()}; screen count: ${screenCount}`);
	let op = slate.operation("throw", {
		screen: targetScreen
	});
	win && win.doOperation(op);
};

let screenPrev = win => {
	if(!win) {
		return;
	}
	var screenCount = slate.screenCount(),
		curScreenId = parseInt(win.screen().id()),
		targetScreen;
	
	if(curScreenId == 0) {
		targetScreen = slate.screenForRef(`${screenCount - 1}`);
	} else {
		targetScreen = slate.screenForRef(`${curScreenId - 1}`);
	}
	slate.log(`current screen ${curScreenId}; target screen ${targetScreen.id()}; screen count: ${screenCount}`);
	let op = slate.operation("throw", {
		screen: targetScreen
	});
	win && win.doOperation(op);
};

slate.bind("up:ctrl,alt", screenNext);
slate.bind("down:ctrl,alt", screenPrev);

slate.bind("m:ctrl,alt", moveops[4][0][1]);
slate.bind(",:ctrl,alt", moveops[4][1][1]);
slate.bind(".:ctrl,alt", moveops[4][2][1]);
slate.bind("/:ctrl,alt", moveops[4][3][1]);

slate.bind("l:ctrl,alt", moveops[3][0][1]);
slate.bind(";:ctrl,alt", moveops[3][1][1]);
slate.bind("':ctrl,alt", moveops[3][2][1]);
slate.bind("l:2,ctrl,alt", moveops[3][0][2]);
slate.bind(";:2,ctrl,alt", moveops[3][1][2]);

slate.bind("[:ctrl,alt", moveops[2][0][1]);
slate.bind("]:ctrl,alt", moveops[2][1][1]);
slate.bind("backslash:ctrl,alt", moveops[1][0][1]);