The Question : 373 people think this question is useful Angular 1 does not accept onchange() event, it’s only accepts ng-change() event. Angular 2, on the other hand, accepts both (change) and (ngModelChange) events, which both seems to be doing the same thing. What’s the difference? which one is best for performance? ngModelChange: vs change:
The Question : 509 people think this question is useful I am trying to get my first TypeScript and DefinitelyTyped Node.js application up and running, and running into some errors. I am getting the error “TS2304: Cannot find name ‘require’ ” when I attempt to transpile a simple TypeScript Node.js page. I have read through
The Question : 1530 people think this question is useful I’ve got the following error when launching my Angular app, even if the component is not displayed. I have to comment out the <input> so that my app works. I’m looking at the Hero plunker, but I don’t see any difference from my code. Here
The Question : 1748 people think this question is useful Can you please describe what the TypeScript language is? What can it do that JavaScript or available libraries cannot do, that would give me reason to consider it? The Question Comments : Check out this blog: blogs.msdn.com/b/somasegar/archive/2012/10/01/… Here are some thought on this: blog.priceandcost.com/development/… Some
问题内容: I’m working on angular and try to populate the data from the child object’s key value. The JSON data is here : "other_lessons": [ { "id": 290, "name": "Christmas Test #290", "course": { "id": 43, "name": "Christmas Test ", "description": "", "teacher": { "id": 4, "name": "Sandy's Teacher", "email": "abc@s.com", "role": "TEACHER", "token": "abcd",
问题内容: I am using Fetch API from react-native and I am using typescript. My code looks like this: let responseLogin = await fetch('http://url_example', { method: 'POST', headers: {'Content-Type':'application/json'}, body: requestBody }); But I get the following error where the header is: Argument of type '{ method: string; headers: { 'Content-Type': string; }; body: string; }'
问题内容: In below sample i use generic function: function Identity<T>(arg: T): T { return arg; } I can write my method in this way : function loggingIdentity(arg) { return arg; } Both of method can accept any type value and return any value.what is benefit of using generic for above method ? in other sample
问题内容: Im trying to generate a few fake profiles for development, Im using a predefined json dataset and I cant seem to get it to work, I want to create the accounts using a given email and password then use other data in the same json dataset to create user profiles in a collection under
问题内容: I have an interface with the following: interface orderItem { symbol: string, side: string, price: number quantity: number } I want to create an array “orders” consisting of “orderItems” in my constructor. However, orders : [orderItem] doesn’t seem to be doing the trick. Does anyone know how I can proceed? Here is what I
