Skip to content

Tag: javascript

jquery: unable to find elements from jQuery object

I am fetching HTML string and I want to construct a jQuery object from it and then perform operations but I am getting undefined. Answer find() is used to look for child elements. #rendered is the parent node in the HTML structure you create, so find() doesn’t return anything. You need to use filter() i…

Onclick, Highlight only one list item in an Unordered list

I am following a code to make a quiz. I am building a function to highlight one list item and add a class to it. The code is working but i do not understand the if condition from the source. Can someone help? Answer answer.querySelector(‘.selected’) will return the element with .selected class if …

Need to repeat array iteration to make rainbow text

This code I wrote styles the characters of the user input into a rainbow. The problem is that it only colors words up to 6 characters. What I thought of was repeating the iteration of the color array in order to color the rest of the input but I don’t know how to apply it. Answer Use the % operator:

‘splice’ instead of ‘filter’

I have a field for entering tags. It is also possible to remove tags. And here I have a question. My deletion code is below. Tags can be deleted one at a time, in any order (first, last, somewhere in the middle, it doesn’t matter). But I would like to use ‘splice’ instead of ‘filter&#8…

Display div based upon datalist selection

This has probably been asked about before, but after several hours of looking I can’t seem to find anything. I have a datalist which is meant to display a div based on your selection of the datalist. Whatever I do, I can’t seem to find out how to do it. The best I can get to work is have both

Widen Image on scroll down using React

I want an image animation effect while scrolling using react.js, something similar to this : https://www.roche.com/ I have this code : I want the img to be widen animated while scrolling down and returns to normal when scrolling up ! Thanks. Answer One of the possible solutions with runnable example This is o…

How to convert PHP MD5 in NodeJS

I couldn’t find a concrete example for my problem I need to convert this line PHP in NodeJS : I have used several things without success, like CryptoJS.HmacMD5, CryptoJS.MD5 or md5 I feel it’s a bit more complex with NodeJS, the values ​​correspond to queries in the url that I retrieve with expres…