check if object exists in array code example
Example 1: check if object is present in array javascript
function containsObject(obj, list) {
var i;
for (i = 0; i < list.length; i++) {
if (list[i] === obj) {
return true;
}
}
return false;
}
function containsObject(obj, list) {
var x;
for (x in list) {
if (list.hasOwnProperty(x) && list[x] === obj) {
return true;
}
}
return false;
}
Example 2: check object in array javascript
var obj = {a: 5};
var array = [obj, "string", 5];
array.indexOf(obj) !== -1