js学習ノート(二)

    
    onclick
    ondblclick
    onmouseenter
    onmouseleave
    onmousemove
        event.clientX;
        event.clientY;
    
    onkeydown
        event.keyCode;
        event.value;
    onkeyup
    onkeypress
       
    document.documentElement.clientHeight;
    document.documentElement.clientWidth;
       
    document.documentElement.scrollHeight;
    document.documentElement.scrollWidht;
     
    document.documentElement.scrollTop;
    document.body.scrollTop(chrome)


    
    onfocus         
    onblur          
    onchange        
    onselect       
    onsubmit       
    onreset        

placeholder='';  ：       ，             

    
    window.onlaad=function(){}
    onerror
    onresize
    onscroll   
                
        topobj=document.getElementById('top');
        topobj.οnclick=function(){
            nu=navigator.userAgent;
            if(nu.match(/chrome/i)){
                //  
                document.body.scrollTop=0;
            }else{
                //   
                document.documentElement.scrollTop=0;
            }
        }
    



BOM（browser object model        ）
window  
      ：
        frames          
        opener              
        top             
      :
        alert()
        confirm()
        prompt()
        setInterval()
        clearInterval()
        setTimeout()
        clearTimeout()
navigator     
    userAgent        
screen    (              )
    height
    width
    availHeight
    availwidth
history  
    back()      
    forward()      
    go(-1)      
locztion   
      ：
        hash          url    #abc
        host           
        href           url  
        pathname    index.html     
        protocol       http://
        search         ？id=10
      ：
    reload();
document  
    document
    document.documentElement
    document.head
    document.title
    document.body
document      
    document.getElementById()
    docuemnt.getElementByTagName()
    document.getElementsByClassName()
    document.getElementByName()
        
    obj.id
    obj.className
    obj.style
    obj.title
    action
    methoe
       
    getAttribute('age');
    setAttribute('age','50');
    js  
    obj.tagName;             
    obj.innerHTML;           
    obj.outerHTML;             
    obj.textContent;