javascript3浏览器对象定义数组大小为10存放数据分别

vara="3“,alertalert(a+"+"+balert(eval(a+"+"+b)vars="abcdefg"alert(s.indexOf("cd",0))alert(s.substr(1,2))alert(Math.round(9.38));varnow=newDate();alert(now.getMonth());了解JavaScript事件：电话振 处理事JavaScript事件名JavaScript代码或调用函数"<INPUTtype=”BUTTON”onClick=“alert(“<INPUTtype=”BUTTON”…onMouseDown=“check(表示鼠标按下时，将调用执行函数checkJavaScript

onFocus和onBlur<SCRIPTlanguage="JavaScript"functionmyfun1({

document.myform.card.value=""; {if(a.substr(0,2)!="10"||isNaN(a)){}

onFocus和onBlur<STYLE{font-size:20px;border:1px

}

<BO<A<IMGsrc=“dog1.jpg”name=“picture”width=“400”height=“155”onMouseOver=“src=„dog2.jpg‟”<H1移过来看看俺啊2-2-Window7-Window7-{

Window7-Open}functionclosewindow({

Close}

Window7-口的语句如下：open(“adv.htm”,“”,“toolbars=0,scrollbars=0,location=0,statusbars=0,menubars=0,resizable=0,width=650, lstatus：是否显示状态栏内的信息，yes

Window7-<SCRIPTlanguage="JavaScript">functionopenwindow(){

Openopen("adv.htm","","toolbars=0,scrollbars=0,location=0,statusbars=0,resizable=0,width=650,}

<BODYonLoad="openwindow(Window7-1插入一个层varmyclock＝setTimeout（”move()”,500）;if(…)Window7-getElementById(“ID名称”)方法：根据ID名称获取HTML元素，left}

每隔1秒调用move(函数<DIVid="Layer1"style="position:absolute;left:14px;top:44px;width:150px;height:102px;z-index:1">height="100"border="0"></A>Document3-Document3-Document3-functionchange(color){

}

History4-historyBackforwardgo1)代表前进1页，等价于forward(go(-1)代表后退1页，等价于back()方法 Location4-Location设置或检索位置或URL设置或检索完整的URLHistoryLocation4-HistoryLocation4-<scriptlanguage="JavaScript"functionjump({

}<FORM

<SELECTname="menu1"onChange="jump()"<O