Chrome Version: 65.0.3325.181 (Official Build) (64-bit)
OS: Linux

Creating this bug report as per crbug.com/17528#c30 by hongbo.miao@outlook.com

What steps will reproduce the problem?
(1) Navigate to https://jsfiddle.net/Hongbo_Miao/zf4m30c9/18/
(2) Select "hello"

What is the expected result?

All characters in "hello" are highlighted with red

What happens instead?

Only "ello" is hightlighted in red. The first letter "h" has the default selection hightlight color.