var json = { aa: ['sdddssd']，

bb: [ '892394829342394792399 '，' 23894723984729374932874' ]，

Cc: ['1111111/kloc-0.

= & gtvar string = JSON.stringify(json)

String:

{"aa":["sdddssd"]，" bb":["892394829342394792399 "，" 23894723984729374932874"]，" cc ":[" 1 1 1 1 1 165438+"

JSON.parse(string) converts a string into a JS object.