onClick
onClick is an event-handler property, attribute, or callback association that specifies behavior in response to a user-interface click event.
React Quickly, Second Edition
onClick is a React event-handler property that specifies a callback for click events on an element or component.
- How it is used
- Handles user clicks in interactive React interfaces by assigning callbacks to JSX elements or components.
- How deep it goes
- Defines JSX assignment, event objects, propagation, and default-action control, while deferring most implementation details.
- Examples
- Uses a button that opens an expandable menu and contrasts React handlers with window and menu pointer-down listeners.
- What you can do after
- Apply it via React to attach click callbacks, update component state, and control event behavior with the event object.
Pro ASP.NET Core 7, Tenth Edition
The @onclick attribute is a Blazor event-handling directive attribute that binds a user-interface click event to a .NET method or expression.
- How it is used
- Uses button clicks in Blazor administration components to trigger application actions.
- How deep it goes
- Explains method and callback invocation through component examples, while deferring deeper Blazor treatment.
- Examples
- Shows order selection, data refresh, and product deletion in SportsStore administration components.
- What you can do after
- Apply Blazor’s @onclick directive to invoke component methods for order selection, refresh, or product deletion.
Read how Pro ASP.NET Core 7, Tenth Edition explains onClick →
Related concepts
- handlerconfigures · A handler is a callable or software component that processes an event, request, message, or other input and performs associated processing.
- buttonconfigures · A button is an interactive user-interface control that can be activated to initiate an action or select an option.
- Razor componentused by · A Razor component is a reusable user-interface unit defined with Razor markup and .NET code that can render content and handle interactions.
- addEventListenercontrasts with · addEventListener is a web API method that registers a callback to run when a specified event occurs on an event target.
- JavaScriptuses · JavaScript is a high-level, dynamically typed, multi-paradigm programming language standardized as ECMAScript and used for web and general-purpose programming.
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