How to understand

Question

var a = "var a".length;
alert(5)
Output result 5

Answer 1

If you alert 5, it will output 5, it is simple.
To first line, a equals length of string "var a" which is 5.

Answer 2

Can you explain better your problem? Its not clear what you asking. Futhermore you use tags in wrong way

Answer 3

i understand but how to cound other string ex var a = "var adsdf".length; what is output?

Answer 4

Arif The output is the character count which the string is builded up...
"SoloLearn".length= 9
"Solo Learn".length= 10
"".length= 0

Answer 5

ohhh okkk i understan. it cound string letter . i don’t count space position .. thank bosss