JS 產生亂數(前2碼英文小寫,後6碼數字)

程式碼

RUN test:
https://jsbin.com/moqusix/3/edit?html,js,output

ref:
https://www.w3schools.com/jsref/prop_html_innerhtml.asp
https://github.com/mtchang/code/blob/master/myrandomstring.html