INNER CODE UNIT · JavaScript

checkIfImage

adrianhajdin/project_crowdfunding · client/src/utils/index.js:14

export const checkIfImage = (url, callback) => {
  const img = new Image();
  img.src = url;

  if (img.complete) callback(true);

  img.onload = () => callback(true);
  img.onerror = () => callback(false);
};

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