FSD-II (Student_angular)Slip

 Create Angular 13application that print the name of students who got 85% using filter and map method.

app.component.ts


import { Component, OnInit } from '@angular/core';

interface Student {
  name: string;
  percentage: number;
}

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  students: Student[] = [
    { name: 'Ram', percentage: 90 },
    { name: 'Sunil', percentage: 85 },
    { name: 'Suresh', percentage: 82 },
    { name: 'Mona', percentage: 85 },
    { name: 'Sona', percentage: 78 },
  ];

  studentsWith85: string[] = [];

  ngOnInit(): void {
    this.studentsWith85 = this.students
      // filter those whose percentage is exactly 85
      .filter(s => s.percentage === 85)
      // then map to just the names
      .map(s => s.name);
  }
}



app.component.html
<h2>Students who got 85%</h2>
<ul>
  <li *ngFor="let name of studentsWith85">{{ name }}</li>
</ul>







output-
ng serve -o




Comments

Post a Comment

Popular posts from this blog

Slip 11: Write node js application that transfer a file as an attachment on web and enables browser to prompt the user to download file using express js.

  const express = require ( 'express' ); const path = require ( 'path' ); const app = express (); const PORT = 3000 ; // Route to download file app . get ( '/download' , ( req , res ) => {     res . download ( 'a.txt' , ( err ) => {         if ( err ) {             console . log ( "Error downloading file:" , err );         } else {             console . log ( "File sent successfully" );         }     }); }); // Home app . get ( '/' , ( req , res ) => {     res . send ( '<h2>Click below to download file</h2><a href="/download">Download File</a>' ); }); app . listen ( PORT , () => {     console . log ( `Server running at http://localhost: ${ PORT } ` ); });
Read more

Slip 7 Create a node js file named main.js for event-driven application. There should be a main loop that listens for events, and then triggers a callback function when one of those events is detected.

 // import event module var events = require('events'); // create an eventEmitter object var eventEmitter = new events.EventEmitter(); // create an event handler var connectHandler = function (s) {    console.log('Its', s); }; // Bind the data_received event eventEmitter.on('data_received', function (name) {    console.log(name, "Understood event -Driven"); }); // trigger data_received event eventEmitter.emit('data_received', "FYMSC(CS)"); // Bind the connection event eventEmitter.on('connection', connectHandler); // trigger connection event eventEmitter.emit('connection', "SIMPLE SOLUTION"); console.log("program Ended");
Read more

Slip 1(a) Write an Angular 13 application addition of two numbers using ng-init, ng-model & ng-bind. And also demonstrate ng-show, ng-disabled, ng-click directives on button component.

Image
 a) ng new slip1 b) cd slip1 c) open app.component.ts   import { Component } from '@angular/core' ; @ Component ({   selector : 'app-root' ,   templateUrl : './app.component.html' ,   styleUrls : [ './app.component.css' ] }) export class AppComponent {   num1 : number = 0 ;   num2 : number = 0 ;   result : number = 0 ;   disableButton : boolean = false ;   showResult : boolean = false ;   add () : void {     this . result = this . num1 + this . num2 ;     this . disableButton = true ;   // Disable the button after calculation     this . showResult = true ;       // Show the computed result   } }                                                                ...
Read more