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shugo/test2.html

Created December 17, 2022 00:18
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test2.html
<html>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/browser.script.iife.js"></script>
<button id="start">Start</button>
<div id="counter">0</div>
<script type="text/ruby">
require "js"
def start_counter
document = JS.global[:document]
counter = document.getElementById("counter")
10.times do |i|
p i
counter[:innerText] = i.to_s
p JS.eval('return new Promise((ok) => setTimeout(ok(42), 1000))').await
end
end
</script>
<script type="text/javascript">
async function startCounter() {
window.rubyVM.evalAsync("start_counter")
}
var start = document.getElementById("start")
console.log(start)
start.addEventListener("click", () => {
startCounter()
}, false)
</script>
</html>
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