이미지 미리보기
<script>
function previewImg(img,obj) {
if (img.length == 0) return;
idx = img.lastIndexOf("\\");
filename = img.substring(idx+1);
idx2 = filename.lastIndexOf(".");
ext = filename.substring(idx2+1);
ext2 = ext.toLowerCase();
if ( ext2 == "jpg" || ext2 == "gif" || ext2 == "jpeg" || ext2 == "png" ) {
obj.innerHTML = "<img src=\"file://" + img + "\" width=200>";
}
}
</script>
<input type="file" name="file1" onfocus="previewImg(this.value,view1);">
<span id="view1"><img src="default img" alt="default img"></span>
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