Lodash.js – findKey() function
By Bartłomiej Bartel
A simple Lodash.js example of the findKey() function, which finds keys inside collections.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<meta name="description" content="Tizen example"/>
<title>Tizen lodash.js example</title>
<script src="js/lodash.min.js"></script>
</head>
<body>
<div id="first">
</div>
<br>
<div id="second">
</div>
<script>
var firstDiv = document.getElementById('first');
var secondDiv = document.getElementById('second');
var firstValue = {
'Bart': { 'age': 31, 'driverLicense': true, 'certified':true },
'Josh': { 'age': 16, 'driverLicense': false, 'certified':true },
'Rad': { 'age': 45, 'driverLicense': true, 'certified':false }
};
firstDiv.innerHTML = "Having an object with data objects:<br><br>";
firstDiv.innerHTML += JSON.stringify(firstValue);
var result = _.findKey(firstValue, function(person) {
return person.age < 35;
});
secondDiv.innerHTML = "...we will find the first person whose age is lower than 35... and we get:<br><br>";
secondDiv.innerHTML += JSON.stringify(result);
</script>
</body>
</html>