Frontend Portal

<img class="img"  src="">

<input class="input" type="text">

<button class="button">Сгенерировать</button>

const image = document.querySelector(".img"),

   input = document.querySelector(".input"),

   button = document.querySelector(".button"),

   api = `https://api.qrserver.com/v1/`,

   api2 = `create-qr-code/?size=150x150&data=`;



button.addEventListener("click", () => {

  image.src = `${api}${api2}${input.value}`;

});