WebFund 2013W Lecture 4: Difference between revisions
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Javascript, the good parts Chap 3 & 4 | Javascript, the good parts Chap 3 & 4 | ||
== Objects | === Objects === | ||
var x = { | JS uses prototypical inheritance | ||
var x = { | |||
property : val, | |||
} | "prop2": val + val2, | ||
'prop3': 1122334433 | |||
} | |||
* Has some implicit and explicit properties/members | * Has some implicit and explicit properties/members | ||
* access undefined property is valid operation. Returns undefined | * access undefined property is valid operation. Returns undefined | ||
Latest revision as of 18:48, 24 January 2013
The audio for Lecture 4 is here.
Notes
Javascript, the good parts Chap 3 & 4
Objects
JS uses prototypical inheritance
var x = {
property : val,
"prop2": val + val2,
'prop3': 1122334433
}
- Has some implicit and explicit properties/members
- access undefined property is valid operation. Returns undefined