Property 'value' does not exist on type 'EventTarget & Element'.
(e.target as HTMLButtonElement).valueProperty 'value' does not exist on type 'EventTarget & Element'.
(e.target as HTMLButtonElement).valueProperty 'on' does not exist on type 'HTMLElement'.
To prevent this error you can write:
var plotDiv: any = document.getElementById('myDiv');
plotDiv.on('plotly_relayout', ...
document.getElementById('myDiv') return HTMLElement. This type doesn't contain method
on because this method is added within plotly-latest.min.js. So in order to silence
the typescript warning you can explicity say compile not to check types for plotDiv
Another way is create type definition like:
interface PlotHTMLElement extends HTMLElement {
on(eventName: string, handler: Function): void;
}
var plotDiv = <PlotHTMLElement>document.getElementById('myDiv')
plotDiv.on('plotly_relayout', function() {
});Copyright © 2021 Codeinu
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