Exploring the Relationship Between CSS Attribute Values and Strings in Eclipse

Looking to conduct a test to determine whether the value of a CSS attribute matches a specific string. The comparison functions correctly in JSFiddle, providing the expected result. However, Eclipse presents a different outcome and appears to interpret the following statement as false: 

if ($('.span1').css('font-family') == 'Arial') { alert("True");}

While in JSFiddle, it is evaluated as true, resulting in the display of a window with "True" popping up. Any insights on why this difference occurs and suggestions on how to address it would be greatly appreciated.

Link to JSFiddle: http://jsfiddle.net/s8d90911/

javascriptjqueryhtmlcsseclipse

Answer №1

$('.span1').css('font-family') returns the value "Arial", enclosed in double quotes. Therefore, when using it in an if statement, you need to compare it exactly with the string "Arial". Here's a revised version of the code that will work:

$(document).ready(function() {
  if ($('.span1').css('font-family') === '\"Arial\"') {
    alert("Works");
  }
});
.span1 {
  font-family: 'Arial';
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<span class="span1">A</span>

Check out the fiddle for a live demo.

It's important to note the use of \ to escape the quotes in the comparison.

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