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16 lines
430 B
HTML
16 lines
430 B
HTML
<!DOCTYPE html>
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<script>
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try {
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const initialHistoryLength = window.history.length;
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history.pushState({}, "hello", "history-pushstate-iframe.html#hello");
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parent.postMessage(
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"history object length has changed by " +
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(window.history.length - initialHistoryLength),
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"*"
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);
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} catch (e) {
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parent.postMessage("ERROR:" + e, "*");
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}
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</script>
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