vue怎么提取对象数组

Question

vue怎么提取对象数组

Answer 1

function findVal(oneArray){
var tempObj = {};
var tempAry = [];
for(var i=0; i<oneArray.length; i++){
if(tempObj[oneArray[i]]){
tempAry.push(oneArray[i]);
}else{
tempObj[oneArray[i]] = true;
}
}
return tempAry;
}