There is a challenge on codewars that asks you to check whether a string of parentheses, brackets, and curly braces is valid. A string of braces is considered valid if all braces are matched with the correct brace. I.e. “()” is valid and “[(])” is not. “(){}[]” is valid and…
Tag: string
Transform a string from camel case to snake case and vice versa
I would like transform string with uppercase to string with underscore like : And conversely : I use Typescript, but I think for that, there is no difference with the Javascript. Thank’s in advance. Jérémy. Answer
How can I conditionally format my HTML table?
I have a HTML table like above I’m trying to do conditional formatting based on the formula applied on the numbers there I tried this: I could not get those values Any modifications or suggestions are appreciated Thank you Answer the only problem with your code is you are using wrong js context to searc…
How to find and replace a string in Javascript? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago. Improve this question How can I find a specific word in a string then replace it using javascrip…
Remove last char string when string contains emojis
I’m using React Native (chat), in this app I have one emoji picker but when users press virtual backspace button emojis only remove their last unicode byte. How can I detect if last ‘chat’ (set of unicodes) is standalone emoji unicode? Code to split it: I also tried to use Array.from(), then…
Copying contents of h1 element to clipboard?
So, I made a translator, and it isn’t very good. But anyway, it is working and I want to try and add something where you can copy the result. Is there a way to do this? Below is my code: Thanks in advance! I know there is a way to do this with inputs, but I’m not sure if it
Dynamic way to hide divs vanilla javascript
Is there a more dynamic way to hide/show divs that are identical in structure with no identifiers? Click to show I’m some stuff http://jsfiddle.net/ba7yfmz6/29/ Answer Use this: JavaScript: Hopefully this helps!
Why does my test pass, even though it doesn’t meet my logic gate?
I’m working on telephone validator on FCC. For some reason this passes 5555555555. Why does my logic gate pass this number? For context, this isn’t my first attempt at this code. I’ve added multiple statements, nested if statements, and it still doesn’t catch it. Why does this evaluate…
Search value in JSON and return to console
I am trying to search a value in a JSON file using a input field from the user through the browser. A sample JSON object from the array of objects looks like this: I have an event listener to wait for click from the user. After the user clicks the function will go to the api json site and retrieve
How to get Javascript to display specific data based on HTML form value
I have an html form that has a drop down list of four names. When I click submit a Javascript function is called and I want to display the name of the student I chose but it only displays the results of the first if statement. My thought is that I need to pass in the value of the form