What is difference between executefunc and executeordelayuntilscriptloaded?

Question

Execute func:

SP.SOD.executeFunc('sp.js', 'SP.ClientContext', function () { console.log("Initiating SP.ClientContext") });

ExecuteOrDelayUntilScriptLoaded:

SP.SOD.executeOrDelayUntilScriptLoaded(someFunction,"sp.js");

Answer 1

ExecuteOrDelayUntilScriptLoaded only works with scripts which are loaded by default on the page (OnDemand=False). Its sole purpose is to make sure that the function is called only after the script has completed loading. executeFunc works with scripts which are not loaded on the page by default (OnDemand=True). Its job is to load the mentioned script on the page and then call the function.