/TypeScript/Preventing letters from being placed in an input ts

Preventing letters from being placed in an input ts

  validateNumber(event) {
    const keyCode = event.keyCode;

    const excludedKeys = [8, 37, 39, 46];

    if (!((keyCode >= 48 && keyCode <= 57) ||
      (keyCode >= 96 && keyCode <= 105) ||
      (excludedKeys.includes(keyCode)))) {
      event.preventDefault();
    }
  }

Source: stackoverflow.com

Preventing letters from being placed in an input ts

<input type="password" placeholder="Enter Mobile no" formControlName="mobile_no" (keydown)="validateNumber($event)">

Source: stackoverflow.com

Similar codes

0 vote293 views1 answer
Import type * as PrettyFormat from './types';
TypeScript
1 vote302 views1 answer
How to install typescript in visual studio code
TypeScript
2 votes261 views2 answers
React native elements button with icon
TypeScript
0 vote248 views1 answer
Routerextensions nativescript 7 import
TypeScript
0 vote264 views1 answer
Typescript dynamic dict
TypeScript
0 vote262 views1 answer
Typescript class validator validate enum array
TypeScript
0 vote253 views2 answers
Get elements of array matlab
TypeScript
26 votes265 views3 answers
How to install typescript in windows 10
TypeScript
0 vote290 views1 answer
Add dots to line matplotlib
TypeScript
1 vote214 views1 answer
Mongoose project first element from array
TypeScript