Thunderbird Jetpack Teasers: Words per Minute in Compose

jetpack.future.import("thunderbird.compose"); jetpack.thunderbird.compose.appendComposePanel({ onReady: function (panel, composeContext) { let doc = panel.contentDocument; let msgNode = $("<span />", doc.body).appendTo(doc.body);   let started = Date.now(); setInterval(function() { let words = composeContext.getPlaintextContents().split(/\s+/); let secs = Math.ceil((Date.now() – started) / 1000); let wordsPerMinute = Math.floor((words.length * 60) / secs); msgNode.text(wordsPerMinute + " words per minute."); }, 1000);   panel.show(); }, […]

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