does javascript filter return new array code example
Example 1: who to accses to an object vallue inside an array with .filter method js
const array = [
{
username: "john",
team: "red",
score: 5,
items: ["ball", "book", "pen"]
},
{
username: "becky",
team: "blue",
score: 10,
items: ["tape", "backpack", "pen"]
},
{
username: "susy",
team: "red",
score: 55,
items: ["ball", "eraser", "pen"]
},
{
username: "tyson",
team: "green",
score: 1,
items: ["book", "pen"]
},
];
const filterArray=array.filter(word=>word.team==="red")
Example 2: javascript array filter
var numbers = [1, 3, 6, 8, 11];
var lucky = numbers.filter(function(number) {
return number > 7;
});
Example 3: filter out arrays js
let newArray = array.filter(function(item) {
return condition;
});
Example 4: javascript array filter
var newArray = array.filter(function(item) {
return condition;
});
Example 5: filter items javascript
function filterItems(e) {
var text = e.target.value.toLowerCase();
var items = itemList.getElementsByTagName('li');
Array.from(items).forEach(function(item) {
var itemName = item.firstChild.textContent;
if (itemName.toLowerCase().indexOf(text) != -1) {
item.style.display = 'block';
} else {
item.style.display = 'none';
}
});
}