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[英]AngularJS Get all values from an array in Javascript and push it to another array
[英]get all values from javascript array
我有這樣的數組:
a = [{"province":"Western"},{"province":"Central "},{"province":"Southern "}]
在javascript中。 我想提取所有省份並將其放入如下所述的數據中。
data: [{id: 'province1', text: 'province1'},{id: 'province2', text: 'province2'},
{id: 'province3', text: 'province3'}]
我嘗試了for循環。
for (index = 0; index < a.length; ++index) {
console.log(a[index]);
}
但是,這給了我角色價值。
您可以通過將字符串與數字ID串聯來構建ID:
"province" + index // "province1"
加起來
var data = [];
for (index = 0; index < a.length; ++index) {
data[index] = { id: 'province' + (index+1), text: a[index].province} ;
}
var a = [{"province":"Western"},{"province":"Central "},{"province":"Southern "}], b = {};
for(var i = a.length; i--; b[a[i].province] = a[i].province);
console.log(b);
結果是
{Southern : "Southern ", Central : "Central ", Western: "Western"}
根據評論進行編輯:
var a = [{"province":"Western"},{"province":"Central "},{"province":"Southern "}];
a = a.map(function(v){
return { id : v.province, text : v.province };
});
console.log(a);
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