盤點(diǎn)JavaScript中那些進(jìn)階操作知識(shí)（下篇）

history.go(0) location.reload() location=location location.assign(location) document.execCommand('Refresh') window.navigate(location) location.replace(location) document.URL=location.href

function addEventhandler(target,type,fn,cap){            if(target.addEventListener)               /*添加監(jiān)聽事件*/              {                       target.addEventListener(type,fn,cap)                }            else{                 target.attachEvent('on'+type,fn)  /*IE添加監(jiān)聽事件*/               }          }       function removeEventhandler(target,type,fn,cap){            if(target.removeEventListener)            /*刪除監(jiān)聽事件*/             {                target.removeEventListener(type,fn,cap)                }            else{                 target.detachEvent('on'+type,fn)    /*IE刪除監(jiān)聽事件*/               }          }

function bu(event){var bt= window.button || event.button;if (bt==2)  {  x=event.clientX  y=event.clientY     alert("您點(diǎn)擊了鼠標(biāo)右鍵！坐標(biāo)為:"+x+','+y)  }else if(bt==0)  {    a=event.screenX    b=event.screenY  alert("您點(diǎn)擊了鼠標(biāo)左鍵！坐標(biāo)為:"+a+','+b)  }else if(bt==1)  {  alert("您點(diǎn)擊了鼠標(biāo)中鍵！");  }}

function k(event){var ke=event.keyCode || event.whichif(event.shiftKey==1)  {  alert('您點(diǎn)擊了shift');  } alert(ke) alert(event.type)}

var w=document.body.offsetWidth|| document.documentElement.clientWidth|| document.body.clientWidth;var h=document.body.offsetHeight|| document.documentElement.clientHeight || document.body.clientHeight;

window.innerHeight - 瀏覽器窗口的內(nèi)高度（以像素計(jì)） window.innerWidth - 瀏覽器窗口的內(nèi)寬度（以像素計(jì)）

var t=document.documentElement.scrollTop || document.body.scrollTop

var s=document.documentElement.scrollLeft || document.body.scrollLeft

  function off(o){   #元素內(nèi)容距離瀏覽器邊框的距離（含邊框）        var l=0,r=0;        while(o){            l+=o.offsetLeft+o.clientLeft;            r+=o.offsetTop+o.clientTop;            o=o.offsetParent;        }        return {left:l,top:r};    }

// 滾動(dòng)條的高度function getScrollTop() {var scrollTop = 0;if (document.documentElement && document.documentElement.scrollTop) {        scrollTop = document.documentElement.scrollTop;    }else if (document.body) {        scrollTop = document.body.scrollTop;    }return scrollTop;}

function next(o){//獲取下一個(gè)兄弟節(jié)點(diǎn)        if (o.nextElementSibling) {            return o.nextElementSibling;        } else{            return o.nextSibling;        };    }    function pre(o){//獲取上一個(gè)兄弟節(jié)點(diǎn)        if (o.previousElementSibling) {            return o.previousElementSibling;        } else{            return o.previousSibling;        };    }    function first(o){//獲取第一個(gè)子節(jié)點(diǎn)        if (o.firstElementChild) {            return o.firstElementChild;//非IE678支持        } else{            return o.firstChild;//IE678支持        };    }    function last(o){//獲取最后一個(gè)子節(jié)點(diǎn)        if (o.lastElementChild) {            return o.lastElementChild;//非IE678支持        } else{            return o.lastChild;//IE678支持        };    }

document.body.scrollWidth||document.docuemntElement.scrollWidth;//整個(gè)網(wǎng)頁的寬document.body.scrollHeight||document.docuemntElement.scrollHeight;//整個(gè)網(wǎng)頁的高

window.screen.height;//屏幕分辨率的高window.screen.width;//屏幕分辨率的寬

window.screenLeft;//x坐標(biāo)window.screenX;//X坐標(biāo)window.screenTop;//y坐標(biāo)window.screenY;//y坐標(biāo)

window.screen.availHeight window.screen.availWidth

e.target || e.srcElement

funtion getStyle(obj,name){   if(obj.currentStyle){      //IE    return obj.currentStyle[name];    }else{    //Chrom,FF   return getComputedStyle(obj,false)[name];      } }

function pre(event){
           var e = event || window.event;
           if(e.stopPropagation){   // 通用方式阻止冒泡行為
               e.stopPropagation();
           }else{    //IE瀏覽器
               event.cancelBubble = true;
           }

function stop(event) {
     var e = event || window.event;
     if (e.preventDefault){
         e.preventDefault();   // 標(biāo)準(zhǔn)瀏覽器
     }else{
         e.returnValue = false; // IE瀏覽器
     }
}

"use strict"

typeof  variableinstance  instanceof  objectinstance.constructor== objectObject.prototype.toString.call(instance)

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