How to load web3 correctly ? this is my code: Answer window.web3 is deprecated. easies way is to use @metamask/detect-provider npm package
Tag: javascript
Firebase functions using soap finishing with ECONNRESET “socket hang up”
I have a Firebase Function that was running for the last past two years that stopped working without any intervention on my part (no code change nor library update). It is used to retreive data from an external service with soap, parse the data and send it back to a client which is an Android app and now it t…
How to use generate multiple of something with a single function using vanilla JS?
In the snippet below, I’m generating a single math problem on load, and if the New Problem button is clicked, the problem will refresh with a new one. I want 3 problems to be able to display on the page. In pseudo code, this would be: forEach class called .problem, display a different math problem. This…
Javascript – Count number of consecutive character occurrences
I have been trying to solve this problem for some time now and I have partially managed to achieve it. I am trying to write a function that will return a nested array, each array element will contain the number of consecutive chars found in a given string. For example: for the given string “aaaabccaadee…
How to set the state in react with a delay in a for loop
i want to set a state in react in a loop going from 0 to “last step” but the state has to be set with a delay in other words: -click a button, after the delay the state is set to 0, again after the delay the state is set to previous state +1, once the state is equal to
Why does my second Ajax change selected value not work?
I have a JS function fire when my Dropdown for #Job changes. Three things are suppose to happen. First, the BusinessAreaCode selects the appropriate item. This is working. Second, I fetch the Division List to populate the DivisionCode Dropdown. This works as well. Lastly, I set the appropriate DivisionCode ju…
How to change new Index number if value changes in Map
in Javascript if here values.sectionname changes New Index number needed how i can achieve this section_index Answer
How to split and join a text considering special characters?
My Input is this: ‘z<*zj’; I am looking a Output as : j<*zz; here in this string, special characters not changed in position. But the letters arranged reversed alphabets. I am trying to get the output, but not works. any one help me with shortest and correct way to get this? my try: Thanks i…
Why my images converted to string when submitting post request?
see the screenshot . Why images getting corrupted? I am trying to upload images using axois post but axois post can’t processing my images correctly . My code divided in two part. First part where I writing logic for upload multi image and second part I am using it in my page component. first part this …
removing object from array of objects – react
Why this does not remove item from the list but only for console.log? As you can see i update list in the function that i assign later to the button. Answer It does remove the item from the list. But there’s nothing telling the component to re-render the UI. What you’re looking for is state in Rea…