Cannot Read Properties Of Null Reading Style

I have javascript code and below line has problem. If ( (hr==20)) document.write (good night);. Asked 10 years, 1 month ago. Cannot read property 'style' of null.

Asked 10 years, 1 month ago. I have javascript code and below line has problem. Cannot read property 'style' of null. If ( (hr==20)) document.write (good night);.

If ( (hr==20)) document.write (good night);. Asked 10 years, 1 month ago. I have javascript code and below line has problem. Cannot read property 'style' of null.

Asked 10 years, 1 month ago. If ( (hr==20)) document.write (good night);. I have javascript code and below line has problem. Cannot read property 'style' of null.

I Have Javascript Code And Below Line Has Problem.

Asked 10 years, 1 month ago. If ( (hr==20)) document.write (good night);. Cannot read property 'style' of null.

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