What is the recommended approach of removing an array element in React state?
Interviewer Expectations for this Question
01
Core Competency
Assesses fundamental understanding of React conventions, runtime behavior, and memory/performance considerations.
02
Evaluation Criteria
Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.
Comprehensive Model Answer
Verified Solution
The better approach is to use Array.prototype.filter() method.
For example, let's create a removeItem() method for updating the state.
removeItem(index) {
this.setState({
data: this.state.data.filter((item, i) => i !== index)
})
}
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