Can I dynamically call an object method having the method name as a string? I would imagine it like this:  var FooClass = function() {     this.smile = function() {}; }  var method = "smile"; var foo = new FooClass();  // I want to run smil...
I'm trying to call and get the response from another lambda function using lambda invoke. The problem is other lambda function needs the id to be sent as path parameters (or as a query string). But I do not see an option in lambda invoke for this...
I never seen this before but you can invoke the HREF attribute of a link using javascript if the HREF contains javascript:;//code......;  On my example below click on both links. they do the same thing even though they have different javascript in th...
How can I call function after i successfully select using d3.select()?  At the moment I have this code:  var selectedCircle = d3.select("circle"); if(selectedCircle) {     // do stuff }   I want it to be something like that:  d3.select("c...
My goal with the code below is to have whatever function passed into fn to ONLY be invoked once. e.g. result returns 5 and the repeated invocation below should also return that same number. What I have right now keeps returning a new number instead o...
I wonder what is the difference if I invoke a function foo() inside other function bar() or I return function something() inside function test(). What is the difference and which method is better to use?  var foo = function() {     console.log(2+3);...
Can I have a constructor that creates an instance, but when invoked executes a specific function?  var Foo = function(){     this.bar= "some variable";     this.invokeFunction = function(){         return this.bar;     }     return .... // w...
I want to implement a structure that can be invoked like in the example below:  require("Promotions").getDisounts().getProductDiscounts().getLength();...
I created expandable content using jquery on several divs with unique ids. The code is working but now I also want to trigger this function from a top navigation using an anchor. I have tried several things but nothing works. I am very new to jquery...
Why use a callback to invoke another function when I can do it directly by invoking it by its name?  // Callback’s approach:  function add10(callback){         setTimeout(function(){         let a = 10 ;         callback(a);     }, 2000) }  add10(f...

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