4 ms·
Unicode Character “⠀” (U+2800)
Unicode Character “⠀” (U+2800)
I usually use the char from https://codepen.io/chriscoyier/pen/iLKwm https://codepen.io/chriscoyier/pen/iLKwm :D
Zero width space is " " (U+200B). (U+2800) is on ideograph space and I guess it's not filled.