fix: handle undefined style properties in jsdom (fix #7444) (#8281)
fix: handle undefined style properties in jsdom (fix #7444) (#8281)


Jinjiang/vue,vuejs/vue,vuejs/vue,cnchanning/vue,Jinjiang/vue,vuejs/vue,cnchanning/vue,cnchanning/vue,Jinjiang/vue,Jinjiang/vue,vuejs/vue