jQuery Like Selecter в JavaScript
var $ = (function () {
'use strict';
/**
* Create the constructor
* @param {String} selector The selector to use
*/
var Constructor = function (selector) {
if (!selector) return;
if (selector === 'document') {
this.elems = [document];
} else if (selector === 'window') {
this.elems = [window];
} else {
this.elems = document.querySelectorAll(selector);
}
};
/**
* Do ajax stuff
* @param {String} url The URL to get
*/
Constructor.prototype.ajax = function (url) {
// Do some XHR/Fetch thing here
console.log(url);
};
/**
* Run a callback on each item
* @param {Function} callback The callback function to run
*/
Constructor.prototype.each = function (callback) {
if (!callback || typeof callback !== 'function') return;
for (var i = 0; i < this.elems.length; i++) {
callback(this.elems[i], i);
}
return this;
};
/**
* Add a class to elements
* @param {String} className The class name
*/
Constructor.prototype.addClass = function (className) {
this.each(function (item) {
item.classList.add(className);
});
return this;
};
/**
* Remove a class to elements
* @param {String} className The class name
*/
Constructor.prototype.removeClass = function (className) {
this.each(function (item) {
item.classList.remove(className);
});
return this;
};
/**
* Instantiate a new constructor
*/
var instantiate = function (selector) {
return new Constructor(selector);
};
/**
* Return the constructor instantiation
*/
return instantiate;
})();
code fighter