js实现二维数组去重

数组中包含数组,怎么去重?javascript 好比数组:[[{a:1},{a:1,b:2}],[{a:1}],[{a:1},{a:1,b:2}]]java let arr = [[{a:1},{a:1,b:2}],[{a:1}],[{a:1},{a:1,b:2}]] function getUnique(array){ let obj = {} return array.filter
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