Javascript: How to check if a string is empty?
576
How can I check for an empty/undefined/null string in JavaScript?
129740
Omit empty strings from serializeArray in javascript
106570
Testing for an empty array object in JSON with jQuery
12886
How can I convert a string to boolean in JavaScript?
128709
Why is there a `null` value in JavaScript?
71207
How can I check if a gzipped file is empty?
107743
Java String split removed empty values
17040
Check if an array is empty or exists
356
Remove empty elements from an array in Javascript
98476
What's the difference between jQuery.fn.empty() and jQuery.fn.html('')?
79162
Javascript null or empty string does not work
5377
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
43229
How to check if a string contains only digits in Java
22122
How do you use the ? : (conditional) operator in JavaScript?
382
Trim string in JavaScript?
37350
checking each required input for empty value with jQuery
106258
What is the reason that an empty string evaluates to false in Javascript