Angular way of binding object array in a Html Select / Combo box. <h1>Object Binding with Select / Combobox</h1>Select value :<select (change)=”handleChange($event.target.selectedIndex)” name=”cmbTipoTexto” class=”form-control form-control-sm col-sm-7″ id=”cmbTipoTexto” > <option *ngFor=”let item of textTypes” [value]=”item.id”> {{ item.displayValue }} </option></select><br /><br /><br /><b>Selected Object:</b><br />{{ selectedObject | json }}
Enums to Object Array enum Colors { White, Black, Red, Blue, Green } ————————————————————————————————- ColorsList: any[]; ngAfterViewInit() { this.enumsToObjectList(); } enumsToObjectList() { let keys = Object.keys(Colors); // extract enum key & values let filteredKeys = keys.filter(k => !isNaN(+k)); // filter only non numeric values // compose or transform object array this.ColorsList = filteredKeys.map((k) => { return { key: k, value: Colors[+k] } }); }
Node.js is a powerful JavaScript runtime that allows you to build server-side applications. Node.js and Express.js are popular tools for building web applications and APIs. In this step-by-step guide, we’ll walk you through the process of setting up a basic Node.js application with the Express.js …