So I’m trying to access an array inside an object: this is what i get in the console log: map isn’t a function, and forEach is undefined, I was trying to do key value on it but the value returned me [object object] or undefined. What am I missing? Answer You initiate data as an object {} and the f…
Tag: arrays
Javascript & HTML – tokens not appearing on connect four board
I’m creating a connect four game using javascript, html, and css, and I’m having trouble with my refreshGrid() function in game.js. Running my html file is currently just an empty board, and this function is supposed to make it so that when the user clicks on an empty space on the board, a chip ap…
Change Array[3] for every item in other array
EDIT Made a mistake in my question. The let tempArr = splitArr is wrong. This needs to be: tempArr = car. So the awnser of @Prime and @sabbir.alam does the trick! I have a array of values where one value (car[3]) of the array is a string seperated by “, “. I created a new array of those elements (…
How to convert blob url to a byte array using javascript only
I have blob url , i need to get it converted into a byte [] for storing purpose . I initially tried converting it to a base64 using FileReader Then used following to convert it to an array But I do not get the intended binary output .. Answer I managed to achieved this, and it might not be the
convert array of object to array in javascript?
I have an array object like below: and I want to convert to an array like this: It would be highly appreciated if anyone can advise me!😊 Answer You could map the values.
how to return boolean value based on condition check in array object javascript
I have object array obj1, obj2, if the name of object cannot have All key name return true if the name of object can have only one All key name and other object return false if the name of object can have only one All key name and no other object return true if the name of object has too
How to convert text file into an array of objects?
I have a text which looks like the following I want to read the file and put it into an array of objects. This is what I have done so far As you can see I am splitting the file, which creates an array but I am stuck on how to convert the items in the array into objects. How
Filter array based on dynamic objects and values in JS
I have an array which contains a list of different objects and I want to be able to re-use the same function to filter different objects and values within the same array. My array and I’m calling a function to filter the array passing 2 parameters: the field I want to filter on the value it should filte…
Scanning an array js object
Hello, I want to make a basic visual editor for my plugins. I have an js object like this. I want to get all “components” properties in this. I am using a this function to convert js blocks to html. However this func is very bad :P. Please HELLLP… -Edit: How can I scan nested components prop…
how to add and remove number without duplicate in the state object inside the array in Reactjs?
The below code which i’m using to add the data in the state the code is my State is Given Below im adding numeric value from 1 to 30 but when i try to add same number it adds to the array i should not add it again please give me solution Answer before updating the state perform an evaluation