MtHaml attributes example

attrs.haml

/ --------------------------------------------------
/ when value is false (or null), attr isn't rendered
/ --------------------------------------------------

%input(type="checkbox" checked=false)
%div(class=(false ? false : "test"))

/ <input type="checkbox" />
/ <div></div>

/ ----------------------------------------------------
/ when value is true, attr is rendered as boolean attr
/ ----------------------------------------------------

%input(type="checkbox" checked=true)

/ html5:
/ <input type="checkbox" checked />

/ xhtml:
/ <input type="checkbox" checked="checked" />

/ ----------------------------------------------------
/ data attrs
/ ----------------------------------------------------

%div(data={foo: "bar", bar: "baz", qux: false ? false : "test"})

/ <div type="checkbox" data-foo="bar" data-bar="baz"></div>

/ ----------------------------------------------------
/ ids
/ ----------------------------------------------------

%div#foo(id=["bar", "baz", false ? false : "test"])

/ <div id="foo_bar_baz" />

/ ----------------------------------------------------
/ classes
/ ----------------------------------------------------

%div.foo(class=["bar", "baz", false ? false : "test"])

/ <div class="foo bar baz" />