Function (Fn) keys – F1, F2, F3, etc., come in handy for those who are in dire need of shortcuts on their keyboards. Laptops are usually equipped with such keys but desktop keyboards, especially the ...

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Instead of a DummyOption, ButtonOptions.onclick should be a Function. That way you can add an event function to i.e. the ExportingButtons.contextButton. From the Highcharts API reference ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

When we apply onclick event to an element, sometimes we need to pass ID of that element to the event handling function. We can do this by passing id to function as this.id or we can pass the element ...