display
Property: block
vs. inline
<span>
and <div>
<header>
, <footer>
, etc.display
property: inline-block
float
propertyclear
propertyfloat
+ clear
propertiesbox-sizing: border-box
calc
.innerHTML
and .value
properties.html()
.click()
method.val()
method.css()
.attr()
$(this)
.change()
Event<form>
Element.submit()
Event