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>

巴特西

jquery16 DOM操作 : 添加删除获取包装 DOM筛选

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巴特西

jquery16 DOM操作 : 添加 删除 获取 包装 DOM筛选

最新文章

热门文章

jquery16 DOM操作 : 添加删除获取包装 DOM筛选