src/aria/html/TextInput.js
function keyDownCallback (event) {
        if (this._hasPlaceholder) {
            if (!ariaUtilsArray.contains(specialKeys, event.keyCode)) {
                this._removePlaceholder();
            } else {
                event.preventDefault();
            }
        }
    }
function keyDownCallback (event) {
        if (this._hasPlaceholder) {
            if (!ariaUtilsArray.contains(specialKeys, event.keyCode)) {
                this._removePlaceholder();
            } else {
                event.preventDefault();
            }
        }
    }
function keyDownCallback ( event ) { if ( this . _hasPlaceholder ) { if ( ! ariaUtilsArray . contains ( specialKeys , event . keyCode ) ) { this . _removePlaceholder ( ) ; } else { event . preventDefault ( ) ; } } }
Internal callback for placeholder handling on keydown.
@param {aria.DomEvent} event keydown event
@private
Internal callback for placeholder handling on keydown .