HTML
<p>ddddddddd</p>
jQuery
$(function(){
$("p").css({"font-size":"20px"});
});
Note 1
$(function(){
});
//this is equal to document.ready
$(document).ready(function(){
});
Note 2
$(selector).action();
Note 3
one of action is css.
css({"property1":"value1","property2":"value2"});
Note 4
change $ to jQuery to avoid conflict
jQuery(function(){
jQuery("p").css({"color":"red"});
});
Note 5
jQuery starts with $ and end with ;
middle with () anonymous function
regular expression ^ means start, $ means end
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