css - Get offsetLeft of pseudo elements using javascript -

is there way offsetleft of pseudo element using javascript ?

i able inspect ::before element through chrome devtools console , offsetleft.

as window.getcomputedstyle(elem, ':before') gives computed styles ::before, there similar access offsetleft ?

yes, can computed style pseudo element, left value of it's bounding box:

parseint(window.getcomputedstyle(elem, ':before').getboundingclientrect().left, 10);