query: It says that TypeError: document.getElementById(...) is null
positive_passages.docid: 12146
positive_passages.text: Why does jQuery or a DOM method such as getElementById not find the element?
negative_passages.docid: 79162
negative_passages.text: Javascript null or empty string does not work
negative_passages.docid: 13711
negative_passages.text: java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
negative_passages.docid: 93877
negative_passages.text: Why is the empty document an error?
negative_passages.docid: 106258
negative_passages.text: What is the reason that an empty string evaluates to false in Javascript
negative_passages.docid: 127452
negative_passages.text: Why is typeof null "object"?
negative_passages.docid: 96453
negative_passages.text: Caught Throwable or Exception is null
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 128709
negative_passages.text: Why is there a `null` value in JavaScript?
negative_passages.docid: 151813
negative_passages.text: What does "javascript:void(0)" mean?
negative_passages.docid: 53853
negative_passages.text: This doesn't seem right? Javascript isn't working
negative_passages.docid: 146642
negative_passages.text: Using an if statement to check if a div is empty
negative_passages.docid: 54143
negative_passages.text: Why is the default value of the string type null instead of an empty string?
negative_passages.docid: 124865
negative_passages.text: Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
negative_passages.docid: 109927
negative_passages.text: JavaScript null check
negative_passages.docid: 53860
negative_passages.text: What does 'script /dev/null' do?
negative_passages.docid: 68687
negative_passages.text: Invalid postback or callback argument.  Event validation is enabled using ''