I display content inside span element, but the style yellow is not apply to content. Thanks you.

Question

Apply style yellow to content doudou.
https://code.sololearn.com/WDO4gyi3rZAO/?ref=app

Answer 1

Line 24:
background-color NOT backgroundColor

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P.S. You have already posted this earlier

** Code had been altered.

https://www.sololearn.com/Discuss/2829459/?ref=app