Here is a task: When transmitting the Morse code, the international standard specifies that: “Dot” – is 1 time unit long. “Dash” – is 3 time units long. Pause between dots and dashes in a character – is 1 time unit long. Pause between characters inside a word – is 3 time units long. Pa…
Tag: javascript
Is there any equivalent to selenium FindElements By.XPath in chrome extension java script?
I have some experience in Selenium, using some code as below to locate elements using XPath; I recently started to develop an Chrome extension, and I could not find any similar way to locate elements using easier way similar to XPath. I’m having many complex queries developed in selenium, using the XPat…
React Native Updating State with this.setState
Hi I’m trying to update the state data value (data:[]) from API. the issue is from the line highlighted: Answer Hi please check below code.
Does map.set() overwrite the value if the key already exists?
I was wondering if map.set() overwrites the value if the key already exists in the map. How can I test this easily when in a big project? Are there any website you can use for javascript coding? Answer According to developer.mozilla.org on Map.set The set() method adds or updates an element with a specified k…
How to count idle time only for one component in the page?
How to use “react-idle-timer” for calculating idle time on a component. I don’t want to count the idle time for the whole page, instead I want to count the idle time only for one component on the page( in my case I build a chatbot. So I want to count the time that I’m not using the cha…
Infinite countdown timer using app script
I would like to create a 20 seconds countdown timer in my html. I have a table that will automatically refresh every 20 seconds, now what I want is to be able to see when will it refresh again. Is there a way to do this? Also, it will be much awesome if the timer is like a progress bar
Is there a way to override Object to instantiate a property upon attempting to modify it?
I feel like the answer to this is a hard no in most languages I’ve used other than PHP, which at least used to have some odd corner cases with stuff like $someArray[‘nonexistentKey’]++. I’m basically looking to write a sparse object where each property is a numeric counter. The counter…
Provide a valid password before proceeding (Codeigniter)
Newbie here. I have a modal where staff can transfer fund to a client. Before transferring fund, the staff must input his/her password before proceeding to transaction. My goal is to have a WORKING FUNCTION about the password validation. I made a slightly working function. I have provided a video below for be…
dynamic transition name for ssr-nuxt page transition
I am trying to use a dynamic transition name for nuxt page transition like this belows this code will be mixined in all page components. But I got two bugs here: Cannot read property ‘transitionName’ of undefined the prevHeight attribute will not change when redirect to other pages I add a wather …
Owl carousel auto play without delay
as you can see this owl carousel has a delay. I think there doesn’t have animation-delay code but it moves after a few second delay where should I fix it? or what should I add to this code? to make it play without any delay. if there isn’t have any way to remove this delay then can you advise me