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catch errors in javascript

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This commit is contained in:
Simon Gardling 2022-02-16 13:24:55 -05:00
parent 4c18fad870
commit 43df9e407e
1 changed files with 12 additions and 6 deletions
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18
www/index.js
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@ -71,17 +71,23 @@ function onMouseMove(event) {
}
function updatePlot() {
status.style.color = "grey";
status.innerText = `Rendering y=${math_function.value}...`;
if (chart_manager == null) {
chart_manager = ChartManager.new(math_function.value, Number(minX.value), Number(maxX.value), Number(minY.value), Number(maxY.value), Number(num_interval.value), Number(resolution.value));
}
const start = performance.now();
chart = chart_manager.update(canvas, math_function.value, Number(minX.value), Number(maxX.value), Number(minY.value), Number(maxY.value), Number(num_interval.value), Number(resolution.value));
const end = performance.now();
try {
const start = performance.now();
chart = chart_manager.update(canvas, math_function.value, Number(minX.value), Number(maxX.value), Number(minY.value), Number(maxY.value), Number(num_interval.value), Number(resolution.value));
const end = performance.now();
area_msg.innerText = `Estimated Area: ${chart.get_area()}`;
status.innerText = `Rendered ${math_function.innerText} in ${Math.ceil(end - start)}ms`;
area_msg.innerText = `Estimated Area: ${chart.get_area()}`;
status.innerText = `Rendered ${math_function.innerText} in ${Math.ceil(end - start)}ms`;
} catch(err) {
status.style.color = "red";
status.innerText = `Error! check console logs for more detail`;
}
}