indexof object code example
Example 1: using index of on array of objects
arr = [{x: "a", y: 1}, {x: "something", y: 2}]
arr.findIndex(obj => obj.x === "a" && obj.y === 1);
Example 2: indexOf by object key
var index = peoples.findIndex(p => p.attr1 == "john")
Example 3: javasript array indexof
var array = [2, 9, 9];
array.indexOf(2);
array.indexOf(7);
array.indexOf(9, 2);
array.indexOf(2, -1);
array.indexOf(2, -3);
Example 4: indexof object javascript
var hello = {
hello: 'world',
foo: 'bar'
};
var qaz = {
hello: 'stevie',
foo: 'baz'
}
var myArray = [];
myArray.push(hello,qaz);
var indexOfStevie = myArray.findIndex(i => i.hello === "stevie");
Example 5: indexof javascript
arr.indexOf(searchElement[, fromIndex])