get array of all property in object array
objArray = [ { foo: 1, bar: 2}, { foo: 3, bar: 4}, { foo: 5, bar: 6} ];
let result = objArray.map(a => a.foo); //[1,3,5]
//OR
let result = objArray.map(({ foo }) => foo) //[1,3,5]
get array of all property in object array
objArray = [ { foo: 1, bar: 2}, { foo: 3, bar: 4}, { foo: 5, bar: 6} ];
let result = objArray.map(a => a.foo); //[1,3,5]
//OR
let result = objArray.map(({ foo }) => foo) //[1,3,5]
javascript find object in array by property value
const fruits = ['apple', 'banana', 'grapes', 'mango', 'orange'];
const filterItems = (needle, heystack) => {
let query = needle.toLowerCase();
return heystack.filter(item => item.toLowerCase().indexOf(query) >= 0);
}
console.log(filterItems('ap', fruits)); // ['apple', 'grapes']
console.log(filterItems('ang', fruits)); // ['mango', 'orange']
search an array of objects with specific object property value
// MDN Ref:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
var result = jsObjects.find(obj => {
return obj.b === 6
});
return object from array by property value
function variableName(value) {
for (var i=0, iLen=array.length; i<iLen; i++){
if (array[i].property == value) return array[i]
}
};
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