I am new to React and I am getting this error and not sure how to fix this I need to add a link to app.js to navigate to Matter.js I run Python flask in the backend and read the…
I'm puzzled by the behavior of the following code snippet. I have a button that becomes disabled while running a long computation after it's clicked. function delay() { console.log('start'); for (let x = 0; x < 4000000000; x++) { Math.sqrt(20);…
I'm trying to make a simple calculator, however, when I try to add two numbers, I'm getting the NaN result. Before this problem, the function sumar() was returning [object HTMLInputElement][object HTMLInputElement], however after adding + when calling the dom, it…
I'm trying to solve this exercise: Write a JavaScript code that asks the user for a number and then print the number of times that number appears in an array. I'm doing it with parseFloat so I can get the…
how to hide div class with specific title in CSS or DOM ? here is 2 Same div class with different titles, i want to show one and hide others. how to hide other with specific title any CSS code…
Am a bit stuck here, been making a lot of progress on this project I'm doing as an aspiring web developer but cannot figure this functionality out. Cant figure out why my event listener does not return the values for…
I am trying to figure out how to sum and display input numbers as live calculation. It kind of works but the calculations are wrong. With each iteration it adds bigger number, like in arithmetic sequence. How do I solve…
I am trying to add and remove js file dynamically by using the technique of add and remove html elements : function start(){ var scriptElement = document.createElement('script'); scriptElement.src = 'js/game_page.js'; scriptElement.id = "game1"; document.body.appendChild(scriptElement); } start(); function stop(){ var a…
With this table, <table > <colgroup> <col class="classname1"> ... </colgroup> <thead> <tr> <th class="classname2" scope="col">title</th> ... </tr> </thead> <tbody> I can get the class name specified explicitly on the table header (th) by calling th = document.querySelector... th.classList // contains…
I have built a website using a website builder with a CMS similar to Wordpress. I want to run a script before the page renders to see if I need to redirect a user to another page. Currently, I have…