This is an array and I want to use foreach to create an array using forEach that has all the usernames with a “!” to each of the usernames What i try in JS: What i got in error: Uncaught SyntaxError: Unexpected token . What is the right way to use foreach to access the object in the array? Answer
Tag: object
onchange property doesn`t work in javascript
I want to launch the function test() if the user inputs something in the html input field with the id=”sc1dc1″ (without using the “onchange=” directly in HTML). What is wrong? HTML: Javascript: Answer The thing about onchange events is that they only fire when the <input> field loses focus. If you want an immediate response, you should use oninput like
Create object from another one using filter function
I’m trying to create an array of objects using an array of objects. My first array is like that : And I want to create an object list with only an id, a name and a task. This is what i do actually, but it doesn’t work : The ListModel object is : Answer The filter() function is more-so utilized
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!
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
Combine objects from an array with the same date into new array of objects using Javascript
I have an array of objects that looks like this: And I would like to know how to merge the objects in this array by the same date values so that the following array is returned: My apologies if this is a duplicate question, I just have not been able to find an example where the key & value pairs
JS: Resizing canvas + redrawing elements on canvas
My question: What’s the best way to resize the canvas with all its drawn elements? I have 2 examples where I tried to archieve this. The first one works, but lacks functionality because if I would add many more elements to be drawn it would get very messy. In my second example I tried to put everything into an array
Calculate the volume of cylinder with JavaScript using prototype
I’m a JavaScript noob and beginner so don’t get too hard on me. I need to calculate the volume of a cylinder using a constructor function and prototype. I’ve got a form with two inputs which I’ll be getting the values from to do the calculation with. I have to create a new instance when the button is clicked and
Vue – Loop through an array of objects, and highlight the selected item on click
I have an array of objects which holds data, which I output to the DOM using map. Each item in the list, has a @click event listener. When you click on one of the items, I want it to be highlighted by way of adding a css class, for example ‘hover’. So basically it should work like a menu system.
Watching parent with prop doesn’t update during for loop
I have 2 components – <my-component> and <grand-child-comp>. In my root there is a multidimensional object and my component watches it with prop. In Vue debugger, I can see that my-component is getting and watching accountTypes object successfully. However, when trying to use it in my-component’s template, it doesn’t work. Lastly, accountTypes object looks like: Answer The problem is you’re