With polyfill : Selectivizr is good enough.
Without polyfill: As IE8 supports first-child you can trick this to support nth-child in iE8 i.e
/*li:nth-child(2)*/
li:first-child + li {}/*Works for IE8*/
Although we cannot emulate complex selectors i.e nth-child(2n+1) or nth-child(odd) for IE8.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…