unique method in js code example

Example 1: javascript loop through object example

var person={
 	first_name:"johnny",
  	last_name: "johnson",
	phone:"703-3424-1111"
};
for (var property in person) {
  	console.log(property,":",person[property]);
}

Example 2: slice method in js

// array.slice(start, end)
const FRUITS = ["Banana", "Orange", "Lemon", "Apple", "Mango"];
var citrus = FRUITS.slice(1, 3);
// citrus => [ 'Orange', 'Lemon' ]

// Negative values slice in the opposite direction
var fromTheEnd = FRUITS.slice(-3, -1);
// fromTheEnd => [ 'Lemon', 'Apple' ]

Example 3: array methods in javascript

<script>    
    // Defining function to get unique values from an array
    function getUnique(array){
        var uniqueArray = [];
        
        // Loop through array values
        for(var value of array){
            if(uniqueArray.indexOf(value) === -1){
                uniqueArray.push(value);
            }
        }
        return uniqueArray;
    }
    
    var names = ["John", "Peter", "Clark", "Harry", "John", "Alice"];
    var uniqueNames = getUnique(names);
    console.log(uniqueNames); // Prints: ["John", "Peter", "Clark", "Harry", "Alice"]
</script>