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//将那些假的值过滤掉
const compact = arr => arr.filter(Boolean);
var arr = compact([0,null,'0',12,34,undefined,false,NaN])
console.log(arr)
//将那些假的值过滤掉
const compact = arr => arr.filter(Boolean);
var arr = compact([0,null,'0',12,34,undefined,false,NaN])
console.log(arr)