質問編集履歴
3
JSファイルであることを追記
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JavaScriptの該当部分は下記です。
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```JavaScript
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```JavaScript
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const overlay = document.querySelector('.overlay');
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@@ -82,9 +82,9 @@
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```
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JavaScriptの全文も記載します。
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```JavaScript
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```JavaScript
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const displayedImage = document.querySelector('.displayed-img');
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全文を追記
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test
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@@ -54,7 +54,7 @@
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```JavaScript
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```JavaScript該当部分
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const overlay = document.querySelector('.overlay');
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@@ -82,6 +82,112 @@
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```
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```JavaScript全文
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const displayedImage = document.querySelector('.displayed-img');
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const thumbBar = document.querySelector('.thumb-bar');
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const btn = document.querySelector('button');
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const overlay = document.querySelector('.overlay');
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/* Looping through images */
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createImages();
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function createImages(){
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for(let i = 1; i<6; i++){
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let newImage = document.createElement('img');
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newImage.setAttribute('src',"images/pic" + i + ".jpg ");
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newImage.setAttribute("id","image" + i);
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thumbBar.appendChild(newImage);
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}
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}
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changeMainPic();
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function changeMainPic(){
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for(let i=1; i<6; i++){
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let imgBtn = document.getElementById("image" + i);
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console.log(imgBtn);
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imgBtn.addEventListener("click",function(){
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displayedImage.setAttribute("src", "images/pic" + i + ".jpg")
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});
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}
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}
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/* Wiring up the Darken/Lighten button */
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//無名関数の利用
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btn.onclick = function(e){
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if(e.target.textContent === "Darken"){
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e.target.setAttribute("class","light");
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e.target.textContent = "Lighten";
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overlay.style.backgroundColor = "rgba(0,0,0,0.5)";
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//overlay.style.opacity = 0.5;
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//overlay.fillStyle = rgba(0,0,0,0.5);
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//overlay.style.setAttribute("background-color","rgba(0,0,0,5)");
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}
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else{
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e.target.setAttribute("class","dark");
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e.target.textContent = "Darken";
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overlay.style.backgroundColor = "rgba(0,0,0,0)";
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//overlay.style.opacity = 0;
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//overlay.fillStyle = rgba(0,0,0,0);
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//overlay.style.setAttribute("background-color","rgba(0,0,0,0)");
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}
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}
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```
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85
191
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上記のJavaScript側の最後の3行の書き方ではいずれもrgba()の値を設定することが出来ません。
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87
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特になぜsetAttributeのブラウザ組み込み関数が使えないのは、既にCSSのファイルでrgba()の値が設定されているからかな、、、？
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1
overlay変数の宣言/初期化を記入。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -56,6 +56,10 @@
|
|
|
56
56
|
|
|
57
57
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```JavaScript
|
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58
58
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59
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const overlay = document.querySelector('.overlay');
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btn.onclick = function(e){
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if(e.target.textContent === "Darken"){
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