tesseract.js
Version:
Pure Javascript Multilingual OCR
38 lines (37 loc) • 1.14 kB
HTML
<html>
<head>
<script src="/dist/tesseract.dev.js"></script>
</head>
<body>
<input type="file" id="uploader">
<script>
const recognize = function(evt){
const files = evt.target.files;
const worker = Tesseract.createWorker({
/*
* As Edge don't support webassembly,
* here we force to use asm.js version.
*/
corePath: '../../node_modules/tesseract.js-core/tesseract-core.asm.js',
logger: function(m){console.log(m);},
/*
* As there is no indexedDB in earlier version
* of Edge, here we disable cache.
*/
cacheMethod: 'none',
});
Promise.resolve()
.then(() => worker.load())
.then(() => worker.loadLanguage('eng'))
.then(() => worker.initialize('eng'))
.then(() => worker.recognize(files[0]))
.then((ret) => {
console.log(ret.data.text);
});
}
const elm = document.getElementById('uploader');
elm.addEventListener('change', recognize);
</script>
</body>
</html>