Chaining methods with delays in javascript

I'm attempting to make this piece of code more efficient.

(function() { sc = angular.element('tbody').scope(); sc.draft.resetRoster(); sc.$apply(); setTimeout(function() { sc.draft.rosterAdd({id: "12921", salary: 10600, position: "P"});sc.draft.rosterAdd({id: "12123", salary: 2900, position: "C"});sc.draft.rosterAdd({id: "5435", salary: 3800, position: "1B"});sc.draft.rosterAdd({id: "12562", salary: 2400, position: "2B"});sc.draft.rosterAdd({id: "38321", salary: 3100, position: "3B"});sc.draft.rosterAdd({id: "6319", salary: 2400, position: "SS"});sc.draft.rosterAdd({id: "5204", salary: 3200, position: "OF"});sc.draft.rosterAdd({id: "5222", salary: 2500, position: "OF"});sc.draft.rosterAdd({id: "12462", salary: 2600, position: "OF"}); }, 3000); setTimeout(function() { document.querySelector('#enterButton').click(); }, 6000); })();

I'm not entirely familiar with Angular (actually not at all). I'm trying to create a client-side script that interacts with Angular. There's 5 total statements here that I'm trying to condense into as little code as possible. Before the first setTimeout gets triggered in 3,000ms, I need this to run: sc = angular.element('tbody').scope(); sc.draft.resetRoster(); sc.$apply();

After 3,000ms, the first setTimeout runs. Roughly 6,000ms (assuming there's roughly a ~3,000ms gap between the first setTimeout and second setTimeout) I need the second setTimeout to execute.

Is there a better way to put together this function? Less code? Better sequencing of how I'm handling setTimeout in general?

-------------Problems Reply------------

Instead of setTimeout use angular service $timeout which functions similarly but returns a promise that will be resolved after the specified amount of time has elapsed, and also calls $apply. So in your case:

$timeout(function () { ... }, 3000).then(function () {
//after the first timeout we set another one and return its promise
$timeout(function () { ... }, 3000);

This way you get rid off the mental arithmetic and you can just set the time you want to wait after the last timeout has elapsed, without nesting timeout functions.

Category:javascript Views:5 Time:2019-03-09

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