String
value by writing .length
after the string variable or string literal.
"Alan Peter".length; // 10
For example, if we created a variable var firstName = "Charles"
, we could find out how long the string "Charles"
is by using the firstName.length
property.
.length
property to count the number of characters in the lastName
variable and assign it to lastNameLength
.
// Setup
section.'
testString: assert(code.match(/var lastNameLength = 0;/) && code.match(/var lastName = "Lovelace";/));
- text: lastNameLength
should be equal to eight.
testString: assert(typeof lastNameLength !== 'undefined' && lastNameLength === 8);
- text: 'You should be getting the length of lastName
by using .length
like this: lastName.length
.'
testString: assert(code.match(/=\s*lastName\.length/g) && !code.match(/lastName\s*=\s*8/));
```