{"id":31,"date":"2025-03-17T23:24:03","date_gmt":"2025-03-17T14:24:03","guid":{"rendered":"https:\/\/cg-method.com\/photoshop\/?p=31"},"modified":"2026-09-20T15:04:25","modified_gmt":"2026-09-20T06:04:25","slug":"select-bottom-layer","status":"publish","type":"post","link":"https:\/\/cg-method.com\/photoshop\/select-bottom-layer\/","title":{"rendered":"Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u2502\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u9078\u629e\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Photoshop\u3067\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\uff08JSX\uff09\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1017\" height=\"670\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/2025-03-17_23h21_17.png\" alt=\"Photoshop\u3067\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u305f\u69d8\u5b50\u3092\u793a\u3059\u753b\u9762\u3002\" class=\"wp-image-32\" srcset=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/2025-03-17_23h21_17.png 1017w, https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/2025-03-17_23h21_17-300x198.png 300w, https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/2025-03-17_23h21_17-768x506.png 768w\" sizes=\"auto, (max-width: 1017px) 100vw, 1017px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list is-style-num_circle\">\n<li>doc.layers \u306f\u30b0\u30eb\u30fc\u30d7\u3092\u542b\u3080\u305f\u3081 doc.artLayers \u3092\u4f7f\u3046<\/li>\n\n\n\n<li>\u968e\u5c64\u69cb\u9020\u304c\u3042\u3063\u3066\u3082\u78ba\u5b9f\u306b\u52d5\u4f5c\u3059\u308b<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u4ed8\u304d\u3067\u5b89\u5168\u306b\u51e6\u7406\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Photoshop\u306e\u307b\u304b\u306e\u64cd\u4f5c\u306f\u3001\u307e\u3068\u3081\u8a18\u4e8b\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2026\/09\/photoshop-matome-3-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/cg-method.com\/photoshop\/photoshop-matome\/\">Photoshop\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081\uff5c\u30ec\u30a4\u30e4\u30fc\u64cd\u4f5c\u30fb\u66f8\u304d\u51fa\u3057\u30fb\u30b9\u30af\u30ea\u30d7\u30c8<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Photoshop\u306e\u8a18\u4e8b\u3092\u3001\u3084\u308a\u305f\u3044\u3053\u3068\u304b\u3089\u63a2\u305b\u308b\u3088\u3046\u306b\u5206\u985e\u3057\u307e\u3057\u305f\u3002 \u540c\u3058\u4f5c\u696d\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u9805\u76ee\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 \u5404\u30ab\u30c6\u30b4\u30ea\u30fc\u306f\u95b2\u89a7\u6570\u306e\u591a&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>\/\/ \u73fe\u5728\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\nvar doc = app.activeDocument;\n\n\/\/ \u30ec\u30a4\u30e4\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u8a8d\nif (doc.layers.length &gt; 0) {\n    \/\/ \u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u53d6\u5f97\u3057\u3066\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u3059\u308b\n    doc.activeLayer = doc.layers[0];\n} else {\n    alert(&quot;\u30ec\u30a4\u30e4\u30fc\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002&quot;);\n}\n<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<!-- cgm-topic:start -->\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u307b\u304b\u306b\u3082\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/select-upper-layer-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/cg-method.com\/photoshop\/select-upper-layer\/\">Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u25021\u3064\u4e0a\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Photoshop\u30671\u3064\u4e0a\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308bJSX\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u30671\u3064\u4e0a\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5 \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/select-layer-by-name-ignore-hierarchy-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/cg-method.com\/photoshop\/select-layer-by-name-ignore-hierarchy\/\">Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u2502\u968e\u5c64\u95a2\u4fc2\u306a\u304f\u30ec\u30a4\u30e4\u30fc\u540d\u3067\u30ec\u30a4\u30e4\u30fc\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Photoshop\u3067\u30ec\u30a4\u30e4\u30fc\u306e\u968e\u5c64\u306b\u95a2\u4fc2\u306a\u304f\u3001\u6307\u5b9a\u3057\u305f\u30ec\u30a4\u30e4\u30fc\u540d\u3067\u691c\u7d22\u3057\u3066\u9078\u629e\u72b6\u614b\u306b\u3059\u308bJSX\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u968e\u5c64\u306b\u95a2\u4fc2\u306a\u304f\u30ec\u30a4\u30e4\u30fc\u540d\u3067&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/select-topmost-layer-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/cg-method.com\/photoshop\/select-top-layer\/\">Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u2502\u4e00\u756a\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Photoshop\u3067\u4e00\u756a\u4e0a\u306b\u3042\u308b\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308bJSX\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e00\u756a\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5 \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cg-method.com\/photoshop\/wp-content\/uploads\/2025\/03\/select-lower-layer-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/cg-method.com\/photoshop\/select-lower-layer\/\">Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u25021\u3064\u4e0b\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Photoshop\u30671\u3064\u4e0b\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308bJSX\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u30671\u3064\u4e0b\u306e\u8868\u793a\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5 \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<!-- cgm-topic:end -->\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Photoshop\u3067\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\uff08JSX\uff09\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Photoshop\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5 \u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002 Photoshop\u306e\u307b\u304b\u306e\u64cd\u4f5c\u306f\u3001\u307e\u3068\u3081\u8a18\u4e8b\u304b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","ssp_meta_description":"Photoshop\u3067\u6700\u4e0b\u5c64\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308bJSX\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d39\u4ecb\u3002\u30b0\u30eb\u30fc\u30d7\u3092\u8003\u616e\u3057\u305fdoc.artLayers\u306e\u6d3b\u7528\u3084\u968e\u5c64\u69cb\u9020\u3078\u306e\u5bfe\u5fdc\u3001\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3092\u542b\u3081\u305f\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u4f8b\u3092\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002","ssp_meta_title":"\u4e00\u756a\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308bPhotoshop\u30b9\u30af\u30ea\u30d7\u30c8","ssp_meta_robots":"","ssp_meta_canonical":"","ssp_meta_image":"","ssp_meta_keyword":"","book_review_data":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-31","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-layer-operation"],"_links":{"self":[{"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/posts\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":7,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/posts\/31\/revisions"}],"predecessor-version":[{"id":1261,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/posts\/31\/revisions\/1261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/media\/33"}],"wp:attachment":[{"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/categories?post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cg-method.com\/photoshop\/wp-json\/wp\/v2\/tags?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}