Is there a way to parse strings as JSON in TypeScript? For example in JavaScript, we can use JSON.parse(). Is there a similar function in TypeScript? I have a JSON object string as follows: Answer TypeScript is (a superset of) JavaScript, so you just use JSON.parse as you would in JavaScript: Only that in Typ…
Tag: javascript
google sign-in with angular2 and typescript – where to get gapi?
I’m trying to use google sign-in with angular2 by following this question: Google Sign-In for Websites and Angular 2 using Typescript But I’m getting an error: Evidently gapi isn’t defined – which I can understand as I seem to only be declaring an empty var. My current code is as below…
Using boolean-value of attributes in JSX
I have a React.js project. I want to use data-picker plugin which require this style of input-attributes: But webpack doesn’t compile the app, when true is without quotes. Plugin doesn’t work, when true with quotes. What I should do? UPD. Yes, I run picker in componentDidMount() It works, but disp…
Escaping quotes in Javascript variable from Classic ASP
How can I escape quotes using a Classic ASP variable in javascript/jQuery? The ASP variable is taken from a DB. I’m using: But obviously that appears as when the page loads, which breaks the function with unexpected identifier. edit: I’m using using jQuery not “how can I achieve this using j…
Bootstrap one carousel with two carousel-indicators
Basically what I am trying to do is, I have one Bootstrap carousel with 8 slides in it.I am using 2 carousel-indicators. This is my first indicator it work fine with .active class this is my Second Indicator it works fine.when I click on the link carousel slides change perfectly but .active class dose not cha…
Backbone: Uncaught Type Error: .. is not a constructor
I am learning Backbone and JavaScript. I am stuck at one error and this error might be related to pure JavaScript and not Backbone. While going through tutorial of Backbone (does not uses requireJS), I found below line of code. We can clearly see that code returns this, and everything works fine. Now I am try…
Chain async functions
In an async function, I can get an asynchronous value like so: const foo = await myAsyncFunction() If I want to call a method on the result, with a sync function I’d do something like myAsyncFunction().somethingElse() Is it possible to chain calls with async functions, or do you have to assign a new var…
Javascript shorthand to call method if object exists
I have a variable and if that variable is a object I would like to call a method on that object, if not I want to do nothing. I’m wondering if there is any reason why I shouldn’t do it like this. Answer The quick answer is yes, foo && foo.bar() won’t throw an exception if foo is null…
Modify the style for a specific node selected in the network for vis.js
Is there a way to change the node size for the selected node without changing the size for all nodes in the options ? These are my node options: I want to enlarge the selected node so it is more visible than the others. The commented part sets the size for all nodes rather than the one selected and the
Communication between sibling components in Vue.js 2.0
Overview In Vue.js 2.x, model.sync will be deprecated. So, what is a proper way to communicate between sibling components in Vue.js 2.x? Background As I understand Vue.js 2.x, the preferred method for sibling communication is to use a store or an event bus. According to Evan (creator of Vue.js): It’s al…