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Update js_usage.markdown to use onRuntimeInitialized

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The Emscripten library is not guaranteed to be fully loaded during the
script element's onload event. Module.onRuntimeInitialized seems to be
more reliable.
This commit is contained in:
Phil Ruffwind 2022-04-08 22:48:03 -07:00
parent ea1c970190
commit d1ccb7e47f
1 changed files with 7 additions and 4 deletions
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11
doc/js_tutorials/js_setup/js_usage/js_usage.markdown
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@ -122,11 +122,14 @@ imgElement.onload = function() {
mat.delete();
};
function onOpenCvReady() {
document.getElementById('status').innerHTML = 'OpenCV.js is ready.';
}
var Module = {
// https://emscripten.org/docs/api_reference/module.html#Module.onRuntimeInitialized
onRuntimeInitialized() {
document.getElementById('status').innerHTML = 'OpenCV.js is ready.';
}
};
</script>
<script async src="opencv.js" onload="onOpenCvReady();" type="text/javascript"></script>
<script async src="opencv.js" type="text/javascript"></script>
</body>
</html>
@endcode