∆

delta

event.keyCode

74

event.key

∆

event.code

KeyJ

Unicode

∆

Code Examples

Copy and paste these examples to detect the ∆ key in your JavaScript code

Recommended modern approach

// Modern approach (recommended)
document.addEventListener('keydown', (e) => {
  if (e.key === '∆') {
    console.log('∆ key pressed!');
    // Your code here
  }
});

Related Keys

Other keys commonly used together or in similar contexts

Enter

Submit

Escape

Cancel

Space

Common key