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For example, running `alert(1)` will pause the event loop, during which
time no JavaScript should execute. This patch extends this disruption to
microtasks. This avoids a crash inside the microtask executor, which
asserts the JS execution context stack is empty.
This makes us behave the same as Firefox in the following page:
<script>
queueMicrotask(() => {
console.log("inside microtask");
});
alert("hi");
</script>
Before the aforementioned assertion was added, we would execute that
microtask before showing the alert. Firefox does not do this, and now
we don't either.
7 lines
157 B
HTML
7 lines
157 B
HTML
<script src="include.js"></script>
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<script>
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test(() => {
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alert("Well hello friends!");
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println("PASS (didn't crash)");
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});
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</script>
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