Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-img-element/reuse-img.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Reusing an <img> with multiple srcs</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
async_test(t => {
const image = new window.Image();
const events = [];
image.onload = t.step_func(() => {
events.push("onload");
if (events.length === 1) {
image.src = "data:image/png;base64,";
}
if (events.length === 2) {
loadedTwice();
}
});
image.onerror = t.step_func(() => {
events.push("onerror");
if (events.length === 2) {
loadedTwice();
}
});
image.src = "data:image/gif;base64,R0lGODlhAQABAIAAAMLCwgAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==";
function loadedTwice() {
assert_array_equals(events, ["onload", "onerror"]);
t.done();
}
}, "onload followed by onerror");
</script>