Javascript数组到对象的转换
请告知如何使用typescript/java脚本将以下对象数组转换为指定类型的对象:Javascript数组到对象的转换,javascript,arrays,angular,typescript,Javascript,Arrays,Angular,Typescript,请告知如何使用typescript/java脚本将以下对象数组转换为指定类型的对象: [ { "name": "Alex", "edu": [ { "degree": "Grad", "year": 2007 }, { "degree": "Undergrad", "year": 2005 } ] }, { "name": "Ali",
[
{
"name": "Alex",
"edu": [
{
"degree": "Grad",
"year": 2007
},
{
"degree": "Undergrad",
"year": 2005
}
]
},
{
"name": "Ali",
"edu": [
{
"degree": "Grad",
"year": 2010
},
{
"degree": "UnderGrad",
"year": 2008
}
]
},
{
"name": "Nik",
"edu": [
{
"degree": "Grad",
"year": 2009
},
{
"degree": "UnderGrad",
"year": 2007
}
]
}
]
致:
请使用扩展运算符或任何其他运算符帮助转换对象。谢谢大家! 您可以使用.map()
和.reduce()
方法:
let data=[{“name”:“Alex”,“edu”:[{“degree”:“PhD”,“year”:2012},{“degree”:“Grad”,“year”:2007},{“degree”:“underad”,“year”:2005},{“name”:“Ali”,“edu”:[{“degree”:“grade”,“year”:2012},{“degree”:“Grad”,“year”:2010},{“name”:“Nik”,“edu”:“{“degrease”:“degreat”,“year”:2011},{“degread”,“year”:“Grad”,“year”:2009};
让结果=data.map(
o=>Object.assign(
{name:o['name']},
减少((a,c)=>(a[c['degree']]=c['year'],a),{})
)
);
控制台日志(结果)代码>
.as控制台包装{max height:100%!important;top:0;}
您可以使用.map()
和.reduce()
方法:
let data=[{“name”:“Alex”,“edu”:[{“degree”:“PhD”,“year”:2012},{“degree”:“Grad”,“year”:2007},{“degree”:“underad”,“year”:2005},{“name”:“Ali”,“edu”:[{“degree”:“grade”,“year”:2012},{“degree”:“Grad”,“year”:2010},{“name”:“Nik”,“edu”:“{“degrease”:“degreat”,“year”:2011},{“degread”,“year”:“Grad”,“year”:2009};
让结果=data.map(
o=>Object.assign(
{name:o['name']},
减少((a,c)=>(a[c['degree']]=c['year'],a),{})
)
);
控制台日志(结果)代码>
。作为控制台包装{最大高度:100%!重要;顶部:0;}
[ { name: "Alex", Grad: 2007, Undergrad: 2005 },
{ name: "Ali", Grad: 2010, Undergrad: 2008 },
{ name: "Nik", Grad: 2009, Undergrad: 2007 }
];