Yoshiki Shinagawa s-yoshiki

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https://tech-blog.s-yoshiki.com/

s-yoshiki / index.html

Last active January 20, 2019 10:37 — forked from anonymous/index.html

FileAPIで画像読み込み & canvasに描画

	<body>
	<input type="file" id="file">
	<canvas id="canvas"></canvas>

	<script>
	document.getElementById("file").addEventListener("change", function (e) {
	var file = e.target.files;
	var reader = new FileReader();

	//ファイルが複数読み込まれた際に、1つめを選択