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I have the following html.erb code that I'm looking to move to Haml:
<span class="<%= item.dashboardstatus.cssclass %>" ><%= item.dashboardstatus.status %></span>
What it does is associate the CSS class of the currently assigned status to the span.
How is this done in Haml? I'm sure I'm missing something really simple.
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In this article, we will see how to dynamically create a CSS class and apply to the element dynamically using JavaScript. To do that, first we create a class and assign it to HTML elements on which we want to apply CSS property. We can use className and classList property in JavaScript.
How to apply/change CSS dynamically? The following is the Javascript function that accepts a parameter and then gets the id of the element and compares the name of the class using className property and depending on the value it assigns a new value to the element.
In Haml, we write a tag by using the percent sign and then the name of the tag. This works for %strong , %div , %body , %html ; any tag you want. Then, after the name of the tag is = , which tells Haml to evaluate Ruby code to the right and then print out the return value as the contents of the tag.
Not sure. Maybe:
%span{:class => item.dashboardstatus.cssclass }= item.dashboardstatus.status
You can do multiple conditional class selectors with array syntax:
%div{ class: [ ("active" if @thing.active?), ("highlight" if @thing.important?) ] }
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