wangwen1220

// [jQuery] 左右键快速切换上下篇文章
$(document).keydown(function(e) {
  if (e.keyCode == 37) {
    var rnt = $('a[rel="next"]');
    if (rnt.length > 0) {
      location.href = rnt.attr('href');
    };
  };
  if (e.keyCode == 39) {
    var rpv = $('a[rel="prev"]');

wangwen1220

// 单行滚动文字
var scrollTimer;
$('#js-scroller').hover(function() {
  clearInterval(scrollTimer);
}, function() {
  var $ths = $(this);
  scrollTimer = setInterval(function() {
    scroller($ths);
  }, 2800);
}).trigger('mouseleave');

wangwen1220

// 去掉 String 中的多余空格
if (!String.prototype.trim) {
	String.prototype.trim = function() {
		return this.replace(/^\s+|\s+$/g, '');
	};
}

// 用法
var str = "  some string    ";
str.trim();

wangwen1220

// 去掉Javscript数组中的重复元素
function removeDuplicates(arr) {
	var temp = {};
	for (var i = 0; i < arr.length; i++)
		temp[arr[i]] = true;

	var r = [];
	for (var k in temp)
		r.push(k);
	return r;

wangwen1220

// 检查字符串中是否包含其他字符串
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(obj, start) {
		for (var i = (start || 0), j = this.length; i < j; i++) {
			if (this[i] === obj) {
				return i;
			}
		}
		return -1;
	}

wangwen1220

// 快速初始化 Javscript 数组
var numbers = [];
for (var i = 1; numbers.push(i++) < 100;);
//numbers = [0,1,2,3 ... 100]

wangwen1220

// 检查表单数据是否改变
function formIsDirty(form) {
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		var type = element.type;
		if (type == "checkbox" || type == "radio") {
			if (element.checked != element.defaultChecked) {
				return true;
			}
		} else if (type == "hidden" || type == "password" ||

wangwen1220

// 根据元素的值移除数组元素中的值
function removeByValue(arr, val) {
	for (var i = 0; i < arr.length; i++) {
		if (arr[i] == val) {
			arr.splice(i, 1);
			break;
		}
	}
}

wangwen1220

/* 整站变灰 */
* {
  filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
   -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  filter: grayscale(100%);
  filter: gray;
}

wangwen1220

// 滚动条下拉固定不动
$(function() {
  $(window).scroll(function() {
    if ($(window).scrollTop() < 270) {
      $('.stayer').removeClass('fixed');
    }

    // 不给ie6效果
    if ($(window).scrollTop() > 270 && !($.browser.msie && $.browser.version == '6.0')) {
      $('.stayer').addClass('fixed');