16 lines
428 B
HTML
16 lines
428 B
HTML
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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<script>
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if ("addon" in window) {
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addon.port.on('X', function(msg) {
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// last message
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addon.port.emit('X', msg + '3');
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});
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// start messaging chain
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addon.port.emit('Y', '1');
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}
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</script>
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SIDEBAR TEST
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