useState Scenario questions - 2
The article discusses the use of the useState hook in React for managing form inputs and selections. It emphasizes the benefits of using a single object state for multiple input fields and the importance of correctly updating object states to avoid data loss. Additionally, it covers handling checkbox selections and dependent dropdowns for country, state, and city.
- ▪Using a single object state for multiple input fields keeps the code cleaner and simplifies data handling.
- ▪Incorrectly updating an object state without spreading the previous state can lead to loss of data in other fields.
- ▪Checkbox selections should be managed using an array of strings, with values added or removed using the spread operator and filter method.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3798144) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Deva I Posted on Jun 3 useState Scenario questions - 2 #react #reactnative #coding #learning 5. You have 5 input fields (name, email, phone, city, password). 1.Better to use: 5.separate useState? OR one object state? Why? ✓ One object state is generally better for 5 input fields . ✓ Why: It keeps the code cleaner, allows for a single handleChange function using the name attribute of inputs, and makes the data easier to send to an API.
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