Expired50% confidenceFactExact time
When a string and a number are added in JavaScript, implicit type conversion occurs, and the result of '5' + 3 is the string '53' rather than the number 8.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
JavaScript Fundamentals: A Complete Guide to Variables, DOM Manipulation, Event Handling, and API Calls
bilibiliFireUG技术社区6/21/2026
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