What is the word-wrap property in CSS3?
Assesses fundamental understanding of HTML & CSS conventions, runtime behavior, and memory/performance considerations.
Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.
The word-wrap property (renamed in modern CSS specifications to overflow-wrap) specifies whether the browser may break long unbreakable character sequences (such as lengthy URLs, hash strings, or file paths) onto a new line to prevent horizontal layout overflow:
.card-content {
/* overflow-wrap is the standard; word-wrap is legacy alias */
overflow-wrap: break-word;
word-wrap: break-word;
}
### Difference from word-break: break-all:
overflow-wrap: break-wordonly breaks a word if the entire word cannot fit onto a line by itself.word-break: break-allaggressively breaks words at the exact right margin boundary regardless of whether the word could fit unbroken on the next line.
Candidate Response Strategy & Interview Tips
- Start with a concise one-sentence summary: Deliver a direct, confident answer first before expanding into nuances.
- Demonstrate real-world trade-offs: Discuss where this approach excels and when you would avoid it in production systems.
- Discuss complexity & edge cases: Proactively explain time/space complexity or boundary conditions (null values, scale limits).
- Prepare for interviewer follow-ups: Technical hiring panels frequently probe deeper into concurrency, backward compatibility, or alternative libraries.