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teste.html
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teste.html
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<html>
<head>
<script>
function executa(){
var headers = new Headers();
headers.append('Content-Type', 'image/png');
var init = {
method: 'GET',
headers: headers
};
fetch('https://matheuslfreitas.github.io/pages/image.png', init)
.then(function (resp) { resp.arrayBuffer(); })
.then(function (buffer) {
var blob = new Blob([buffer], { type: "image/png" });
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.style.display = 'none';
a.href = url;
a.download = name;
document.body.appendChild(a);
a.click();
window.URL.revokeObjectURL(url);
})
.catch(function (e) {
console.log(e);
});
}
</script>
</head>
<body>
<button onclick="executa();">Click-me</button>
</body>
</html>