I am trying to add class to svg elements (circles) but, I am getting “[object SVGAnimatedString]” as an output when I am trying to display the classname on console. Entire Code available on fiddle : jsfiddle.net/prated/rsv0yxgx Answer you cannot add class to a svg with className , try
Tag: javascript
React JS get current date
I want to output the current date in my componnent. In the console my code works, but the React console says: “bundle.js:14744 Uncaught RangeError: Maximum call stack size exceeded” My component looks like that: Yeah, I know I’m a pretty beginner, but maybe someone can help me. I googled for…
Vue Chart.js – Chart is not updating when data is changing
I’m using Vue.js and Chart.js to draw some charts. Each time I call the function generateChart(), the chart is not updated automatically. When I check the data in Vue Devtools, they are correct but the chart does not reflect the data. However, the chart does update when I resize the window. What is wron…
JavaScript: Overwrite property defined in constructor for whole class
I am trying to overwrite the function of a class: But Babel compiles the above to this: Because the function is defined as a property in the original code, Babel puts that definition in the constructor. If I understand correctly prototype only contains functions, not all properties. Because the constructor ru…
Electron function to read a local file – FS – Not reading
I have an electron project when I need to get electron to read a local file. Right now what I have is this, where it loads and displays the contents of a html file. I just need it to read a file and store it on a variable for now. Here is my current main.js: How can I do this
Get the first and last item in an Array – JS
I am trying to get the first and last item in array and display them in an object. What i did is that I use the first and last function and then assign the first item as the key and the last item as the value. however this one gets me into trouble. It says undefined. Any idea why is
How can one create a dynamic copyright date without document.write() in JavaScript?
How can one fetch and print the current year without using document.write() in JavaScript? This is for a typical copyright line in the footer; e.g., © 2017 Stack Overflow. Right now I’m using the standard document.write() method. Answer Yes sure you can use an element: Add a link to your JS like so: And…
Why does TypeScript use “Like” types?
Why does TypeScript have a type and then a “like type”? An example of this is Promise<T> and PromiseLike<T>. What are the differences between these two types? When should I use them? In this case why not just have one Promise type? Answer If you look at the definition files (let’…
does angular have the “computed property” feature like in vue.js?
I learnt Vue.js first, and now have a project in Angular 4 so I just learnt Angular. I find everything is not that different from Vue except the “Computed Property”. In Vue, I can create a computed property that listens to changes of other properties and run calculations automatically. For example…
Can I create an object without a name in JS?
I have a structure that looks like this: I can iterate over them in a loop like this: Do I assume correctly that in the cards array I have a couple of objects without names? If so, how can I push more objects like that to the cards array without giving them names? I want to create those objects in