英[sʌb] 美[sʌb]
n.Submarine;substitute,substitute,substitute;subway;reviewer
vi.Be a substitute, be a substitute ;Be a stand-in, proofread (manuscript)
Third person singular: subs Plural: subs Present participle: subbing Past tense: subbed Past participle: subbed
javascript sub() method syntax
Function:is used to display strings as subscripts.
Syntax:stringObject.sub()