JQuery: Difference between revisions

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http://learn.jquery.com/
http://learn.jquery.com/
== Selectors ==
* type: <code>$('table')</code>
* attribute: <code>$('[date="2015-04-21"]')</code>
* class: <code>$('.even')</code>
* id: <code>$('#main')</code>
=== Filters ===





Revision as of 18:59, 21 April 2015

http://learn.jquery.com/

Selectors

  • type: $('table')
  • attribute: $('[date="2015-04-21"]')
  • class: $('.even')
  • id: $('#main')

Filters

Example

HTML

<html><head><title>Button Magic</title>
    <link rel='stylesheet' type='text/css' href='stylesheet.css'/>
    <script type='text/javascript' src='jquery.js'></script>
    <script type='text/javascript' src='script.js'></script>
    </head><body>
         <div><br/><strong>Click Me!</strong></div>   
    </body>
</html>

stylesheet.css

div {
    height: 60px;
    width: 100px;
    border-radius: 5px;
    background-color: #69D2E7;
    text-align: center;
    color: #FFFFFF;
    font-family: Verdana, Arial, Sans-Serif;
    opacity: 0.5;
}

script.js

$(document).ready(function(){
    $('div').mouseenter(function(){
        $('div').fadeTo('fast', 1.0);
    });
    $('div').mouseleave(function(){
        $('div').fadeTo('fast', 0.5);
    });
});


To Do List Example

HTML

<h2>To Do</h2>
<form name="checkListForm">
    <input type="text" name="checkListItem"/>
</form>
<div id="button">Add!</div>
<br/>
<div id="list"></div>

script.js

$(document).ready(function(){
    $('#button').click(function(){
        var toAdd = $('input[name=checkListItem]').val();
        $('#list').append('<div class="item">' + toAdd + '</div>');
    });
    $(document).on('click', '.item', function(){
        $(this).remove()
    });
});