10 examples of 'javascript check if value exists in array of objects' in JavaScript

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177function isValueInArrayOfObjects(selected, key, value) {
178 if (!Array.isArray(selected)) {
179 return selected[key] === value;
180 }
181 for (var _i = 0, selected_1 = selected; _i < selected_1.length; _i++) {
182 var s = selected_1[_i];
183 if (s && s[key] && s[key] === value) {
184 return true;
185 }
186 }
187 return false;
188}
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81function valueExists(value: any) {
82 return value != null;
83}
12function isInArray(value) {
13 return value !== undefined;
14}
30function isInArray(value, array) {
31 return array.indexOf(value) > -1;
32}//isInArray
224function contains(array, value) {
225 for (var i = array.length; i--;)
226 if (array[i] == value) return true;
227 return false;
228}
11function contains(array, value) {
12 for(var i = array.length-1; i >= 0; i--) {
13 if(array[i] === value) {
14 return true;
15 }
16 }
17
18 return false;
19}
233function contains(array, value) {
234 for (var i = array.length; i--;)
235 if (array[i].toString() === value)
236 return true;
237 return false;
238}
75function ՐՏ_in(val, arr) {
76 if (Array.isArray(arr) || typeof arr === "string") {
77 return arr.indexOf(val) !== -1;
78 } else {
79 if (arr.hasOwnProperty(val)) {
80 return true;
81 }
82 return false;
83 }
84}
113export function isJsonObject(value: JsonValue): value is JsonObject {
114 return value != null && typeof value === 'object' && !Array.isArray(value);
115}
19function objectKeyExist(object)
20{
21 return _.some(object, function (o) {
22 return !_.isEmpty(_.pick(o, ['customer', 'cart']));
23 })
24}

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