回答編集履歴
2
調整
test
CHANGED
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@@ -54,15 +54,12 @@
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54
54
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});
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55
55
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document.addEventListener('change',({target})=>{
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56
56
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if(target.matches('[type=file]')){
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57
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-
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57
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+
const file = target.files[0];
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58
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-
const type=file.type;
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59
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-
const filename=file.name;
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60
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-
const blob=new Blob([file],{type:type});
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61
58
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image_preview.removeAttribute('hidden');
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62
59
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const image=document.querySelector('#image_preview img');
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63
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-
image.src = URL.createObjectURL(
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60
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+
image.src = URL.createObjectURL(file);
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64
61
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const caption=document.querySelector('#image_preview figcaption');
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65
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-
caption.textContent=filename;
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62
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+
caption.textContent=file.name;
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66
63
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btn.setAttribute('hidden',1);
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67
64
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}
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68
65
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});
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@@ -92,3 +89,4 @@
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92
89
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</figure>
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93
90
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</div>
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94
91
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```
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92
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+
※Lhankor_Mhyさんの指摘を反映済み
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1
調整
test
CHANGED
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@@ -41,3 +41,54 @@
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41
41
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</figure>
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42
42
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</div>
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43
43
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```
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44
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+
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45
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+
# 調整
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46
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+
> 「ファイルを選択」ボタンの横に「選択されていません」の文言が表示されている状態が初期状態なので、その文言だけを非表示にしたいという意味でした。
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47
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+
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48
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+
これはHTMLの仕様なのでいやなら別にボタンをつくることです
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49
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+
```html
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50
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+
<script>
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51
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+
window.addEventListener('DOMContentLoaded', ()=>{
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52
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+
image_preview.setAttribute('hidden',1);
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53
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+
select_image.setAttribute('hidden',1);
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54
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+
});
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55
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+
document.addEventListener('change',({target})=>{
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56
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+
if(target.matches('[type=file]')){
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57
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+
var file = target.files[0];
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58
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+
const type=file.type;
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59
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+
const filename=file.name;
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60
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+
const blob=new Blob([file],{type:type});
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61
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+
image_preview.removeAttribute('hidden');
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62
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+
const image=document.querySelector('#image_preview img');
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63
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+
image.src = URL.createObjectURL(blob);
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64
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+
const caption=document.querySelector('#image_preview figcaption');
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65
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+
caption.textContent=filename;
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66
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+
btn.setAttribute('hidden',1);
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67
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+
}
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68
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+
});
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69
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+
document.addEventListener('click',({target})=>{
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70
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+
if(target.matches('#image_preview img')){
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71
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+
select_image.click();
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72
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+
}
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73
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+
if(target.matches('#btn')){
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74
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+
select_image.click();
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75
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+
}
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76
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+
if(target.matches('#remove_image')){
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77
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+
select_image.value='';
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78
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+
image_preview.setAttribute('hidden',1);
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79
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+
btn.removeAttribute('hidden');
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80
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+
}
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81
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+
});
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82
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+
</script>
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83
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+
<div>
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84
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+
<p>
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85
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+
<input type="file" name="image" id="select_image" accept="image/*">
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86
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+
<input type="button" value="ファイル選択" id="btn">
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87
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+
</p>
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88
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+
<figure id="image_preview">
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89
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+
<img src="" >
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90
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+
<figcaption></figcaption>
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91
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+
<button name="rmImage" id="remove_image" type="button">リセット</button>
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92
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+
</figure>
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93
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+
</div>
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94
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+
```
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