<!
DOCTYPE HTML>
<
iframe src=
"http://example.org/tests/dom/html/test/bug1315146-iframe.html"></
iframe>
<
input value=
"test">
<
script>
document.domain =
"example.org";
onload = function() {
let
iframe = document.querySelector(
"iframe");
let
input = document.querySelector(
"input");
input.selectionStart =
input.selectionEnd = 2;
document.
body.
style.overflow =
"scroll";
iframe.contentDocument.
body.offsetWidth;
opener.postMessage({start:
input.selectionStart,
end:
input.selectionEnd},
"*");
}
</
script>
