/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 vote334 views1 answer
"Property 'mocha' does not exist on type 'Cypress & EventEmitter'."
TypeScript
0 vote323 views1 answer
Bitwarden CLI Cheatsheet
TypeScript
0 vote362 views1 answer
Typescript string concatenation best practice
TypeScript
0 vote350 views1 answer
Conditional styled components with media query
TypeScript
1 vote315 views1 answer
Npm uninstall typescript
TypeScript
12 votes397 views5 answers
Font awesome angular
TypeScript
0 vote342 views2 answers
Enter into postgresql database,create user and grant Access
TypeScript
0 vote324 views2 answers
Android studio loop through all objects in layout
TypeScript
17 votes331 views3 answers
Typescript Error: ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requested by server; consider upgrading MySQL client
TypeScript
2 votes330 views1 answer
What type of radiation is 5g
TypeScript