const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length < 6);
console.log(result);
//OUTPUT: ['spray', 'limit', 'elite']var words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);function objectFilter = (obj, predicate) =>
Object.keys(obj)
.filter( key => predicate(obj[key]) )
.reduce( (res, key) => (res[key] = obj[key], res), {} );
// Example use:
var scores = {
John: 2, Sarah: 3, Janet: 1
};
var filtered = objectFilter(scores, num => num > 1);
console.log(filtered);const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);
// expected output: Array ["exuberant", "destruction", "present"]const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
const filter = arr.filter((number) => number > 5);
console.log(filter); // [6, 7, 8, 9]
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Using Javascript Filter Method</title>
</head>
<body>
<h1 id="demo"></h1>
<!-- <script src="index.js"></script> -->
<script>
const person = [
{name:"fredrick",
"id":1,
},
{name:"sarah",
"id":2
},
{name:"favour",
"id":3
},
{name:"abraham",
"id":4
},
{name:"isaac",
"id":5
},
{name:"esther",
"id":6
}
]
let sortedPerson = person
sortedPerson = sortedPerson.filter(item => {
if (item.name === "fredrick" ){
return true
}
})
console.log(sortedPerson)
</script>
</body>
</html>