callblueday

document.onkeydown=function() {//捕捉回车  
 if (event.keyCode==13) {  
    checkFormValidate();  
    return false;  
  }  
}  

callblueday

goog.events.listen(element, goog.events.EventType.KEYPRESS, function(a) {
  if(a.keycode === 13) {
    doSomething();
  }
});

callblueday

/**
 * Format Date 
 * usage:
 *  date2str(new Date(seconds*1000),"MM-dd hh:mm");
 */
date2str = function(x,y) {
  var z = {M:x.getMonth()+1,d:x.getDate(),h:x.getHours(),m:x.getMinutes(),s:x.getSeconds()};
  y = y.replace(/(M+|d+|h+|m+|s+)/g,function(v) {
    return ((v.length>1?"0":"")+eval('z.'+v.slice(-1))).slice(-2)
  });

callblueday

function (){
    var times = 0;
    //滚动条到网页头部的 高度，兼容ie,ff,chrome
    var top = document.documentElement.scrollTop + document.body.scrollTop;
    //网页的高度
    var textheight = document.body.offsetHeight;
    // 网页高度-top-当前窗口高度
    if (textheight - top - window.innerHeight <= 50) {
      if (times >= 20) {
        return; //控制最大只能加载20次

callblueday

<div ng-app>
  <h2>Todo</h2>
  <div ng-controller="QuarterController">
    <select name="quarter" ng-model="Quarter" 
    ng-options="obj.value as obj.text for obj in [
    {'value': 1,'text' : 'Q1'},{'value':2,'text':'Q2'},{'value':3,'text':'Q3'},{'value':4,'text':'Q4'}]">
    </select>
  </div>
</div>

callblueday

//---- controller.js ----
$scope.pageNum = null;
$scope.currentPage = 0;
$scope.pageSize = 10;

/* get previous page data */
$scope.getPrevPage = function() {
  $scope.currentPage = $scope.currentPage - 1;
}

callblueday

第一种方法： 

var timestamp = Date.parse(new Date()); 

结果：1280977330000 

第二种方法： 

var timestamp = (new Date()).valueOf(); 

callblueday

//使用return false来禁用 form的默认submit事件。

<form  method="POST"   action="" id="search-form">
          <input type="text" name="keywords"  />
          <input type="submit" value="Search" id="sButton" onclick="loadXMLDoc('file.xml')" />
</form>

<script>
    window.onload = function() { 
        document.getElementById("search-form").onsubmit = function() { 

callblueday

<A href="javascript:void(0)">click me</a>

//javascript:void(0) 不返回的意思

callblueday

$(".location").bind("input", function() {
    var $this = $(this);
    var delay =250; // delay after last input

    clearTimeout($this.data('timer'));
    $this.data('timer', setTimeout(function(){
      $this.removeData('timer');
      doSomething();
    }, delay));
  });