The Game of Life, but with horrible code

let ctx = canvas.getContext("2d");
let canvas_width = 10;
let canvas_height = 10;
canvas.width = canvas_width;
canvas.height = canvas_height;

x();

function drawTheNextFrameOfTheSimulation() {
ctx.clearRect(0, 0, getValueOfVariable(canvas_width), getValueOfVariable(canvas_height));

requestAnimationFrame(drawTheNextFrameOfTheSimulation);
}
drawTheNextFrameOfTheSimulation();

function isVariableTrue(variable) {
let variableToReturn;
if (variable === true) variableToReturn = true;
else if (variable === false) variableToReturn = false;
return variableToReturn;
}

function getValueOfVariable(variable) {
let variableToReturn = variable.valueOf();
return variableToReturn;
}