I have a read only array that i copied to become a mutable array let mutableForecast = […forecast] I am taking that new array and iterating through it with forEach so i can mutate the array. im trying to use some flow control with a switch statement, but I am getting TypeError: Cannot assign to read only property ‘location’ of
Tag: switch-statement
Switch…case in JS
This simple problem gives me an error. Does not get the correct answer. I will be glad if you help. Output: You did not pass Answer this way can you explain why we write true? – Hussein Nadjafli (PO) The JS switch only works on strict equality. is equivalent to in your code you replace the possible values [’x1’,’x2’,…] with
Typescript switch/case on string not maching when it should
I have a strange behavior on a switch statement that is supposed to check for possible values of a string. I’m trying to develop a little parser and using TDD I managed to write (and test) a function that parses a single line at a time, resulting in the expected result for all my cases. Now I’m developing a bigger
Use switch to take in unknown data types, issue with taking in an object
In the below code I am trying to make a switch statement that takes in the following inputs: 34, ’34’, {input: 34}, hello, [“hello”] and returns the number 34 within each input, the cases I need to have are: I am having an issue with the object input. Thank you so much! Answer You can use typeof result in the
How to check className in a switch statement when an element has multiple classes
In the example below I just want the option clicked to display in an alert. I’m trying to use a switch statement to determine what class was clicked. My example would work if my divs did not each contain more than one class. I tried using classList.contains in my switch statement to no avail. Is there a way I can
javascript fizzbuzz switch statement
I’m currently taking the code academy course on Javascript and I’m stuck on the FizzBuzz task. I need to count from 1-20 and if the number is divisible by 3 print fizz, by 5 print buzz, by both print fizzbuzz, else just print the number. I was able to do it with if/ else if statements, but I wanted to
Break for loop from inside of switch case in Javascript
What command I must use, to get out of the for loop, also from //code inside jump direct to //code after Answer Unfortunately, Javascript doesn’t have allow breaking through multiple levels. The easiest way to do this is to leverage the power of the return statement by creating an anonymous function: This works because return leaves the function and therefore
Test for multiple cases in a switch, like an OR (||)
How would you use a switch case when you need to test for a or b in the same case? Answer You can use fall-through: