文章来源：jquery教程 - http://www.jq-school.com/Show.aspx?id=305
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51、原生ja
function getPageViewHeight() {
var d = document, a = d.compatMode == "BackCompat"
? d.body
: d.documentElement;
return a.clientHeight;
}52、原生jafunction addEvt(oTarget,sEvtType,fnHandle){
if(!oTarget){return;}
if(oTarget.addEventListener){
oTarget.addEventListener(sEvtType,fnHandle,false);
}else if(oTarget.attachEvent){
oTarget.attachEvent("on" + sEvtType,fnHandle);
}else{
oTarget["on" + sEvtType] = fnHandle;
}
}53、原生jafunction delEvt(oTarget,sEvtType,fnHandle){
if(!oTarget){return;}
if(oTarget.addEventListener){
oTarget.addEventListener(sEvtType,fnHandle,false);
}else if(oTarget.attachEvent){
oTarget.attachEvent("on" + sEvtType,fnHandle);
}else{
oTarget["on" + sEvtType] = fnHandle;
}
}54、原生jafunction removeUrlPrefix(a){
a=a.replace(/：/g,":").replace(/．/g,".").replace(/／/g,"/");
while(trim(a).toLowerCase().indexOf("http://")==0){
a=trim(a.replace(/http:\/\//i,""));
}
return a;
}55、原生jafunction uniqueId(){
var a=Math.random,b=parseInt;
return Number(new Date()).toString()+b(10*a())+b(10*a())+b(10*a());
}56、原生jafunction chgCase(sStr,iCase){
if(typeof sStr != "string" || sStr.length <= 0 || !(iCase === 0 || iCase == 1)){
return sStr;
}
var i,oRs=[],iCode;
if(iCase){/*半->全*/
for(i=0; i<sStr.length;i+=1){
iCode = sStr.charCodeAt(i);
if(iCode == 32){
iCode = 12288;
}else if(iCode < 127){
iCode += 65248;
}
oRs.push(String.fromCharCode(iCode));
}
}else{/*全->半*/
for(i=0; i<sStr.length;i+=1){
iCode = sStr.charCodeAt(i);
if(iCode == 12288){
iCode = 32;
}else if(iCode > 65280 && iCode < 65375){
iCode -= 65248;
}
oRs.push(String.fromCharCode(iCode));
}
}
return oRs.join("");
}57、原生jafunction checkKey(iKey){
if(iKey == 32 || iKey == 229){return true;}/*空格和异常*/
if(iKey>47 && iKey < 58){return true;}/*数字*/
if(iKey>64 && iKey < 91){return true;}/*字母*/
if(iKey>95 && iKey < 108){return true;}/*数字键盘1*/
if(iKey>108 && iKey < 112){return true;}/*数字键盘2*/
if(iKey>185 && iKey < 193){return true;}/*符号1*/
if(iKey>218 && iKey < 223){return true;}/*符号2*/
return false;
}58、原生jafunction getScrollXY() {
return document.body.scrollTop ? {
x: document.body.scrollLeft,
y: document.body.scrollTop
}: {
x: document.documentElement.scrollLeft,
y: document.documentElement.scrollTop
}
}59、原生jaDate.prototype.format = function(format){ //author: meizz
var o = {
"M+" : this.getMonth()+1, //month
"d+" : this.getDate(), //day
"h+" : this.getHours(), //hour
"m+" : this.getMinutes(), //minute
"s+" : this.getSeconds(), //second
"q+" : Math.floor((this.getMonth()+3)/3), //quarter
"S" : this.getMilliseconds() //millisecond
}
if(/(y+)/.test(format)) format=format.replace(RegExp.$1,
(this.getFullYear()+"").substr(4 - RegExp.$1.length));
for(var k in o)if(new RegExp("("+ k +")").test(format))
format = format.replace(RegExp.$1,
RegExp.$1.length==1 ? o[k] :
("00"+ o[k]).substr((""+ o[k]).length));
return format;
}
alert(new Date().format("yyyy-MM-dd hh:mm:ss"));60、原生ja/*
1、< 60s, 显示为“刚刚”
2、>= 1min && < 60 min, 显示与当前时间差“XX分钟前”
3、>= 60min && < 1day, 显示与当前时间差“今天 XX:XX”
4、>= 1day && < 1year, 显示日期“XX月XX日 XX:XX”
5、>= 1year, 显示具体日期“XXXX年XX月XX日 XX:XX”
*/
function timeFormat(time){
var date = new Date(time)
, curDate = new Date()
, year = date.getFullYear()
, month = date.getMonth() + 1
, day = date.getDate()
, hour = date.getHours()
, minute = date.getMinutes()
, curYear = curDate.getFullYear()
, curHour = curDate.getHours()
, timeStr;
if(year < curYear){
timeStr = year +'年'+ month +'月'+ day +'日 '+ hour +':'+ minute;
}else{
var pastTime = curDate - date
, pastH = pastTime/3600000;
if(pastH > curHour){
timeStr = month +'月'+ day +'日 '+ hour +':'+ minute;
}else if(pastH >= 1){
timeStr = '今天 ' + hour +':'+ minute +'分';
}else{
var pastM = curDate.getMinutes() - minute;
if(pastM > 1){
timeStr = pastM +'分钟前';
}else{
timeStr = '刚刚';
}
}
}
return timeStr;
} 最佳答案
