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jquery16 DOM操作 : 添加 删除 获取 包装 DOM筛选

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>
一些变量
$.fn.extend({
    find  √
    has   √
    not    √
    filter   √
    is       √
    closest  √
    index    √
    add      √
    addBack  √
});
function sibling(){}
jQuery.each({
    parent       √
    parents      √
    parentsUntil   √
    next          √
    prev          √
    nextAll      √
    prevAll       √
    nextUntil     √
    prevUntil     √
    siblings      √
    children       √
    contents       √
});
jQuery.extend({
    filter
    dir
    sibling
});
function winnow(){}
一些变量
jQuery.fn.extend({
    text       √
    append     √
    prepend    √
    before      √
    after       √
    remove     √
    empty       √ 
    clone       √
    html        √
    replaceWith  √
    detach      √
    domManip    √
});
jQuery.each({
    appendTo: "append",      √
    prependTo: "prepend",    √
    insertBefore: "before",   √
    insertAfter: "after",    √
    replaceAll: "replaceWith"  √
});
jQuery.extend({
    clone
    buildFragment
    cleanData
    _evalUrl
});
function manipulationTarget(){}
function disableScript(){}
function restoreScript(){}
function setGlobalEval(){}
function cloneCopyEvent(){}
function getAll(){}
function fixInput(){}
jQuery.fn.extend({
    wrapAll        √
    wrapInner      √
    wrap            √
    unwrap          √
});
</script>
</head>

<body>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>

$(function(){
    //filter()  not()
    $(div).filter(.box).css(border,1px red solid);//CLASS=BOX的div
    $(div).not(.box).css(border,1px red solid);//相反
    $(div).has(.box).css(border,1px red solid);//div子元素项有class=box的元素
    $(div).has(span).css(border,1px red solid);//div子元素项有span元素的
    
    
    isSimple = /^.[^:#\[\.,]*$/    
    
    匹配成功 : .box div #div1  :odd     ul li
    
    匹配不成功 :  div:odd    ul #li   ul[title="hello"]   div.box    ul,ol
-------------------------------------------------------------------    
    $(div).filter(function(i,elem){
        return elem.className == box;
        
    }).css(border,1px red solid);
    
    var oBox = document.getElementsByClassName(box)[0];
    $(div).filter(oBox).css(border,1px red solid);
    
    $(div).has(span).css(border,1px red solid);
    
});

</script>
</head>

<body>
<div class="box">div1<span class="box">span</span></div>
<div>div2</div>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>

$(function(){
    $(ul).find( $(li) ).css(background,red);//ul下面的li
    $(ul).find(li).css(background,red);//ul下面的li
    
    $(div).is(.box)//多个div有一个class=box就返回true,都没有就返回false
    console.log( $(div:last).is(.box) );
    
    console.log( $(div:first).is(div:last) );
-------------------------------------------------------------------    
    console.log( $(#div1).index() );//1,这个元素在所有兄弟节点的排名
    
    console.log( $(#span1).index() );//0,这个元素在所有兄弟节点的排名
    console.log( $(#span1).index(span) );//span1在所有span中的排名
    console.log( $(span).index( $(#span1) ) );//span1在所有span中的排名,同上。
    
    $(#div2).closest(.box).css(border,1px red solid);//closest找父节点,爷爷节点,祖先节点,都有时找最近的。
    
    $(#div2).closest(.box).css(border,1px red solid);
    //限制在body之内,不再往上去找
    $(#div2).closest(.box, $(body).get(0) ).css(border,1px red solid);
    
    
});

</script>
</head>

<body  class="box">
<ul>
    <li>
        <ul>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </li>
    <li></li>
    <li></li>
</ul>
<ol>
    <li></li>
    <li></li>
    <li></li>
</ol>


<div class="box">div1</div>
<div>div2</div>

<div>div<span>span</span></div>
<div id="div1">div<span id="span1">span</span></div>
<div>div<span>span</span></div>

<div id="div1" class="box">aaaaa
    <div id="div2">bbbbb</div>
</div>

</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>

$(function(){
    $(div ,span).add(span).css(border,1px red solid);
    $(div).add(span).css(border,1px red solid);//一样的
    
    //addBack()
    //end()
    
    $(div).find(span).css(color,red).addBack(.box).css(border,1px red solid);//addBack回到栈的下一层,并且当前层和下一层进行操作。
    
    $(span).parent().css(border,1px red solid);//span的氟元素
    (span).parent(div).css(border,1px red solid);//span的氟元素必须是div
    $(span).parents().css(border,1px red solid);//span所有各层级父父父节点
    $(span).parents(body).css(border,1px red solid);//父节点必须是body
    $(span).parentsUntil(body).css(border,1px red solid);//span开始找,截至到body,再上层就不找了。
    $(span).parentsUntil(body,div).css(border,1px red solid);//span父节点必须是div,并且最高找到body,body之上就不要找了
    
    $(span).parent().css(border,1px red solid);
    
    $(span).next().css(border,1px red solid);

    
});

</script>
</head>

<body>
<!--<div>div<span>span</span></div>
<div class="box">div<span>span</span></div>
<div>div<span>span</span></div>
<div>div<span>span</span></div>-->

<!--<div>div<p>p<span>span</span></p></div>
<p>p<span>span</span></p>
-->
<div>
<span>span</span>
ssssss
<p>p</p>
</div>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>

$(function(){
    $(p).parentsUntil(body).css(border,1px red solid);
    $(span).siblings().css(background,red);
    $(body).children().css(background,red);
    console.log( $(body).children() );
    console.log( $(body).contents() );
    console.log( $(iframe).contents().body.style.background = red );
});

</script>
</head>

<body>
<!--<div>div
    <span>span
        <p>p</p>
    </span>
</div>-->

<div>div</div>
<span>span</span>
<p>p</p>
<h1>h1</h1>
<iframe src="a.html"></iframe>
</body>
</html>

 

jquery16 DOM操作 : 添加 删除 获取 包装 DOM筛选