WebApr 7, 2024 · Event.target. The read-only target property of the Event interface is a reference to the object onto which the event was dispatched. It is different from Event.currentTarget … WebMay 12, 2024 · 1 [event.target.name]: event.target.value; 2 3 i.e. fname : value jsx Any modifications the user makes to the the initial or an empty value are reflected in the state object of the components. Once you submit the form, the state object should look like this: 1 { 2 email: "[email protected]" 3 fname: "Test first name" 4 lname: "Test last name" 5 }

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WebThe target property returns the element where the event occured. The target property is read-only. The target property returns the element on which the event occurred, opposed to the … WebJul 16, 2024 · The event object holds the detail about the event, but you only need to focus on two properties: event.target.name event.target.value The event.target.name value … barbara bush graves disease

How To Build Forms in React DigitalOcean

There are some rules for different types of html elements the properties are different. For an element, id, name, type etc are valid. For WebJavascript will make all the default attributes of the Node as a property of event.target however the div dosent have a value attribute and all custom attributes like the specified in your code (value) has to accessed by the .getAttribute method on the node element, this method takes in the attribute namn as string and returns the value Read more 9 Web我感到困惑的是 setState 參數中的 [event.target.name]: event.target.value。 我之前沒有在 Javascript 中看到這個方括號符號，所以我不明白為什么鍵周圍有方括號。 onChange = event => { this.setState({ [event.target.name]: event.target.value }) }; 不知道 Javascript 構造我在這里不理解/錯過。 barbara bush first lady young