how to check for class in javascript code example
Example 1: js check for class in classList
element.classList.contains(className);
Example 2: check if has name javascript
function whatIsInAName(collection, source) {
var srcKeys = Object.keys(source);
return collection.filter(function(obj) {
return srcKeys.every(function(key) {
return obj.hasOwnProperty(key) && obj[key] === source[key];
});
});
}
whatIsInAName(
[
{ first: "Romeo", last: "Montague" },
{ first: "Mercutio", last: null },
{ first: "Tybalt", last: "Capulet" }
],
{ last: "Capulet" }
);