ˇ@
javascript Programming Glossary: lookupIs it possible to achieve dynamic scoping in JavaScript without resorting to eval? http://stackoverflow.com/questions/10060857/is-it-possible-to-achieve-dynamic-scoping-in-javascript-without-resorting-to-eva dynamic scope share improve this question Attribute lookup falls through the prototype chain which matches quite well to.. x 3 __proto__ x 1 caller's env.cow env.x 3 attribute lookup follows chain of prototypes env.x 2 env x 2 __proto__ x 3 __proto__..
Can I lookup the IP address of a hostname from javascript? http://stackoverflow.com/questions/102605/can-i-lookup-the-ip-address-of-a-hostname-from-javascript I lookup the IP address of a hostname from javascript I would like to..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript created by new Shape by writing them to the prototype lookup of this constructor function Shape.prototype.toString function..
How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)? http://stackoverflow.com/questions/249192/how-can-you-programmatically-tell-an-html-select-to-drop-down-for-example-due to the SO interesting ignored tag entry or Gmail's lookup for email adresses. There are many JavaScript HTML controls..
typeof !== “undefined” vs. != null http://stackoverflow.com/questions/2703102/typeof-undefined-vs-null This seems kind of wasteful since it involves both a type lookup and a string comparison not to mention its verbosity. It's needed..
Find html label associated with a given input http://stackoverflow.com/questions/285522/find-html-label-associated-with-a-given-input
IE/Chrome: are DOM tree elements global variables here? http://stackoverflow.com/questions/3434278/ie-chrome-are-dom-tree-elements-global-variables-here Either way there's no point in using an id to element lookup cache because browsers typically optimise the getElementById.. typically optimise the getElementById call to use a quick lookup anyway all you get is problems when elements change id or are..
Get Client IP using just Javascript? http://stackoverflow.com/questions/391979/get-client-ip-using-just-javascript here on SO http stackoverflow.com questions 102605 can i lookup the ip address of a hostname from javascript script type application..
http://stackoverflow.com/questions/500431/javascript-variable-scope .prototype.property loses to object .property in the lookup chain Seven.prototype.a 1 won't get reached because 'a' is set..
Determine timezone from latitude/longitude without using web services like Geonames.org http://stackoverflow.com/questions/5584602/determine-timezone-from-latitude-longitude-without-using-web-services-like-geona timezone list use an R Tree implementation to efficiently lookup the nearest city or rather its timezone to a given coordinate.. populate the R Tree and it could then perform thousands of lookups per second both on a 5 year old PC . share improve this answer..
Objects vs arrays in Javascript for key/value pairs http://stackoverflow.com/questions/688097/objects-vs-arrays-in-javascript-for-key-value-pairs simple mapping especially if you need to use the key as a lookup key. The second solution feels the most robust to me in general.. in general and I'd probably use it if I didn't need a fast lookup key It's self describing so you don't have to depend on anyone.. important aspect. The third would be good if you need fast lookup time some of the advantages listed above passing the data around..
How to set the prototype of a JavaScript object that has already been instantiated? http://stackoverflow.com/questions/7015693/how-to-set-the-prototype-of-a-javascript-object-that-has-already-been-instantiat switch to match the prototype due to this chained lookup. This feature while being standardized now still is not a required..
Highlight selected node, its links, and its children in a d3.js force directed graph http://stackoverflow.com/questions/8739072/highlight-selected-node-its-links-and-its-children-in-a-d3-js-force-directed-g is to have a map or a matrix which allows constant time lookup to test whether a and b are neighbors. For example var linkedByIndex..
Javascript: prototypal inheritance http://stackoverflow.com/questions/892595/javascript-prototypal-inheritance to store the function and the second the constructor. The lookup for functions is constructor and then prototype. So for your.. functions is constructor and then prototype. So for your lookup of Drive it finds it regardless if it is in the constructor..
|