Beginner in JavaScript here. I'm building a simple calculator using HTML, CSS and JavaScript. I've realized that if I use this instead of document.querySelector(".add") when adding a style to a button inside of an addEventListener, my code still works. Would…
I need to use a variable variable for defining a lambda function inside an array_map(). I get an "Undefined variable" WARNING for the variable I am referencing. Subsequently, I do not get the expected result. The expected and actual results…
I am not able to reach a function which is a value of an attribute of an object . This only happens when function is called from another attribute. Calling the attribute carrying the function directly works just fine .…
Assuming an array of objects that has a couple hundred fields that look like this [ { "designation":"419880 (2011 AH37)", "discovery_date":"2011-01-07T00:00:00.000", "h_mag":19.7, "moid_au":0.035, "q_au_1":0.84, "q_au_2":4.26, "period_yr":4.06, "i_deg":9.65, "pha":true, "orbit_class":"Apollo" } I'm trying to show the maximum "h_mag" value for all…
I am trying to Build Rock paper scissor game in this everything is working fine. But the issue is after the end of 5 rounds the endGame function is not executing immediately it is showing result after i click on…
is it possible to retrieve the code from a Promise Object? Suppose I set up a Promise like this: let myPromise = new Promise(function(success, error) { ... } Can I somehow retrieve the anonymous function or the location of the…
On page I have an iframe with *.pdf file in src. <div class="node--view-mode-full"> <p><iframe allow="fullscreen" allowfullscreen="" frameborder="0" height="980" scrolling="no" src="https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf" width="660"></iframe></p> <p><iframe allow="fullscreen" allowfullscreen="" frameborder="0" height="980" scrolling="no" src="https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf" width="660"></iframe></p> </div> The build-in pdf-viewers in browsers now does not support fullscreen…
I'm on an Ubuntu x86_64 system. I know we have the strace command to trace the system calls in our programs. However I'd like to know if there is a way ( other than inspecting the GNU C library source…
So I'm revising a tic-tac-toe game I made a while ago and I'm trying to figure out how to get rid of repetitive functions. Is there anyway to target a specific button based on which is clicked? function XonCell() {…
The functionality for all valid numbers is working fine. When the "keydown" or "click" are used the Roman Numeral conversion properly displays in the outputField. However, when the same is done for one of the error numbers, the outputField updates…