I have an array which looks looks like this -
list = [{"doc":{"id": "123", "name":"abc"}}, {"doc":{"id": "345", "name":"xyz"}},{"doc":{"id": "123", "name":"str"}}]
How can I use the _.each method to retrieve the doc object with id ="123" ? Any help is greatly appreciated.
Cheers!
Actually, _.detect would be more a appropriate function to solve this problem:
var list = [
{"doc":{"id": "123", "name":"abc"}},
{"doc":{"id": "345", "name":"xyz"}},
{"doc":{"id": "123", "name":"str"}}
];
_.detect(list, function (obj) {return obj.doc.id === "123"});
result:
{"doc":{"id": "123", "name":"abc"}}
Alternatively, if you'd like to return both objects with id = '123', then you could substitute _.detect with _.select.
_.select(list, function (obj) {return obj.doc.id === "123"});
result:
[{"doc":{"id": "123", "name":"abc"}}, {"doc":{"id": "123", "name":"str"}}]
Read up on how jQuery.each handles break;
var object_with_id_123;
$.each(list, function(key, val){
if (val.doc.id == "123") {
object_with_id_123 = val;
return false; // break;
}
return true; // continue; - just to satisfy jsLint
});
console.log(object_with_id_123);
var list = [{"doc":{"id": "123", "name":"abc"}}, {"doc":{"id": "345", "name":"xyz"}},{"doc":{"id": "123", "name":"str"}}]
var olist = [];
$.each(list,function(key, value){
if(value.doc.id =="123"){
olist.push(value);
}
})
$.each(olist,function(key, value){
alert(JSON.stringify(value))
})
because you have 2 results with id 123 i've added the array result. If you have 1 result, you could return obj.doc instead of adding it to result
var result = [];
$.each(list, function(index, obj) {
if(obj.doc.id == 123) {
result.push(obj.doc);
}
});
_.eachis from Underscore.js, not from jQuery...