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A Custom Chart by Using the HTML Component Plainly Explained

 3 years ago
source link: https://hackernoon.com/a-custom-chart-by-using-the-html-component-plainly-explained-1h1y33ix
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Example Code

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let year = 2017;
let flights = {
	2014: [6.3, 2.4, 7.6, 5.4, 9.9, 7.8],
	2015: [6.7, 2.2, 11.2, 5.5, 10.1, 7.9],
	2016: [7.2, 3.1, 8.2, 5.6, 9.2, 10.2],
	2017: [7.4, 3.9, 8.8, 6.1, 8.7, 9.8]
};

$w.onReady(() =>{
	$w("#html1").postMessage(flights[year]);
	$w("#html1").onMessage((event)=>{

		if(event.data.type === 'ready'){
			$w("#html1").postMessage(flights[year]);
		}
		
		if(event.data.type === 'click'){
			$w("#clickedMessage").text = `The number of flights to ${event.data.label} in ${year} is ${event.data.value} million.`;
			$w("#clickedMessage").show();
		}
	});	
});

export function year_onChange(event) {
	year = $w('#year').value;
	$w("#html1").postMessage(flights[year]);
}

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