HTML dom manipulation - Node.js DOM

Node.js examples for DOM:Node

  1. HOME
  2. Node.js
  3. DOM
  4. Node

Description

HTML dom manipulation

Demo Code

HTMLElement.prototype.addClass = function (classNames) {
  this.className += ' ' + classNames
}

HTMLElement.prototype.removeClass = function (classNames) {
  classNames = classNames.split(' ');
  for (var i = 0; i < classNames.length; i++) {
    this.className = this.className.replace(classNames[i], '');
  }//from  ww w.  ja  v  a 2  s  .co m
}

HTMLElement.prototype.hasClass = function (classNames) {
  this.className += ' ';
  classNames = classNames.split(' ');
  for (var i = 0; i < classNames.length; i++) {
    if (!this.className.match(classNames[i] + ' ')) {
      this.className = this.className.substring(0, this.className.length - 1);
      return false
    }
  }
  this.className = this.className.substring(0, this.className.length - 1);
  return true
}

HTMLElement.prototype.find = function (selector) {
  var elems = this.querySelectorAll(selector);
  return (elems.length > 1) ? elems : elems[0];
}

// style changer
HTMLElement.prototype.show = function (option) {
  this.style.display = (option) ? option : 'block';
}

HTMLElement.prototype.hide = function () {
  this.style.display = 'none';
}

HTMLElement.prototype.css = function (params) {
  for (param in params) {
    this.style[param] = params[param];
  }
}

HTMLElement.prototype.animate = function (params, duration) {
  var currentParams = {};
  for (param in params) {
    currentParams[param] = parseInt(getComputedStyle(this, null)[param]);
  }
}

HTMLElement.prototype.fadeOut = function () {
  var _self = this;
  // _self.style.width = 0;
  // _self.style.height = 0;
  _self.style.opacity = 0;
  setTimeout(function () {
    _self.style.display = 'none';
  }, 1000);
}

HTMLElement.prototype.fadeIn = function () {
  var _self = this;
  _self.style.display = 'block';
  setTimeout(function () {
    _self.style.opacity = 1;
  }, 100);
}

// String Extension
String.prototype.getLengthOfBytes = function () {
  var chinese = this.match(/[^\x00-\xff]/ig);
  return this.length + (chinese == null ? 0 : chinese.length);
}

Related Tutorials