JSFiddle - React, Tailwind, and code Playground

TypeScript

var _ctrlKeyPressed: boolean = false;
var keyEventName: string = 'keydown';
$(document).on(keyEventName, (e: any) => {
    var ke: any = e || <any>window.event;
    var keyCode = ke.which || ke.keyCode;
    switch (keyCode) {

        case 17: {
            this._ctrlKeyPressed = true;
            console.log('Ctrl');
            break;
        }
        case 83: {
            //Block Ctrl+S
            if (this._ctrlKeyPressed) {
                e.preventDefault();
                e.stopPropagation();
                this._ctrlKeyPressed = false;
                console.log('Ctrl+S');
            }
            break;
        }
        case 87: {
            //Block Ctrl+W --Not work in Chrome
            if (this._ctrlKeyPressed) {
                this._ctrlKeyPressed = false;
                e.preventDefault();
                e.stopPropagation();
                console.log('Ctrl+W');
            }
            break;
        }
        case 78: {
            //Ctrl+N
            if (this._ctrlKeyPressed) {
                this._ctrlKeyPressed = false;
                e.preventDefault();
                e.stopPropagation();
                console.log('Ctrl+N');
            }
            break;
        }
        case 69: {
            //Ctrl+E
            if (this._ctrlKeyPressed) {
                this._ctrlKeyPressed = false;
                console.log('Ctrl+E');
            }
            break;
        }
        case 90: {
            //Ctrl+Z
            if (this._ctrlKeyPressed) {
                this._ctrlKeyPressed = false;
                console.log('Ctrl+Z');
            }
            break;
        }
    }

});