Lamp

A LemonadeJS {self} property value will be synchronized with the HTML attribute.

A working example

Source code

<html>
<script src="https://lemonadejs.net/v3/lemonade.js"></script>
<div id='root'></div>
<script>
function Lamp() {
    const self = this;
    return `<>
        <img src="/templates/default/img/example-lamp-{{self.state?'on':'off'}}.jpg">
        <br/>
        <input type="button" onclick="self.state = 1" value="Light on" />
        <input type="button" onclick="self.state = 0" value="Light off" />
    </>`;
}
lemonade.render(Lamp, document.getElementById('root'));
</script>
</html>
import lemonade from 'lemonadejs';

export default function Lamp() {
    const self = this;
    return `<>
        <img src="/templates/default/img/example-lamp-{{self.state?'on':'off'}}.jpg">
        <br/>
        <input type="button" onclick="self.state = 1" value="Light on" />
        <input type="button" onclick="self.state = 0" value="Light off" />
    </>`;
}

See this example on codesandbox