* Render an `svg` element with the `#renderhere` tag, at least 300px high and wide.
* Render an `svg` element with the `#renderhere` tag, at least 300px high and wide.
* The SVG should show the graph of `sin(k * x + t)`.
* The SVG should show the graph of `sin(k * x + t)`.
* The value `k` should come from an input box on the page. It is a number, and editing the number should change the chart
* The value `k` should come from an input box on the page. It is a number, and editing the number should change the chart
* The value `t` is the time, taken from `(new Date()).getTime()`
* The value `t` is the time, taken from `(new Date()).getTime() / 1000`
* The chart should update at least 30 times per second. Use the `setInterval()` function for this: https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval
* The chart should update at least 30 times per second. Use the `setInterval()` function for this: https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval
