It's easy to think of strings in Javascript as mutable and as such length should be a method, but when you do var a = 'hello'; a += ' hello' ... ... <看更多>
The length property returns the number of characters that are in a string, using an integer. Below is the basic code for accessing this property. JavaScript ... ... <看更多>
Caution – JavaScript strings are immutable, so the length of a string cannot be modified. Syntax. strVariable.length "String Literal".length. Examples. The ... ... <看更多>
