{"id":21600,"date":"2016-10-01T12:30:39","date_gmt":"2016-10-01T03:30:39","guid":{"rendered":"http:\/\/www.sakaiden.com\/?p=21600"},"modified":"2016-10-01T12:32:20","modified_gmt":"2016-10-01T03:32:20","slug":"%e6%96%87%e5%ad%97%e5%88%97%e3%81%a7substr%e3%81%af%e9%81%85%e3%81%8b%e3%81%a3%e3%81%9f%e4%ba%8b%e3%81%ab%e4%bb%8a%e6%9b%b4%e6%b0%97%e4%bb%98%e3%81%8f","status":"publish","type":"post","link":"http:\/\/www.sakaiden.com\/?p=21600","title":{"rendered":"\u6587\u5b57\u5217\u3067substr\u306f\u9045\u304b\u3063\u305f\u4e8b\u306b\u4eca\u66f4\u6c17\u4ed8\u304f"},"content":{"rendered":"

\u3082\u306e\u3059\u3054\u30fc\u30fc\u30fc\u304f\u5358\u7d14\u306b
\nsubstr\u306f\u9045\u3044\u3063\u3066\u4e8b\u306b\u6c17\u4ed8\u3044\u305f\u3002<\/p>\n

\u307b\u3093\u3068\u305f\u3060\u3053\u308c\u3060\u3051\u306e\u4e8b\u306a\u3093\u3060\u308f\u30b5\u3002<\/p>\n

[javascript]<\/p>\n

\/\/—————————————————————-
\n\/\/\u00a0\u00a0 \u00a0@bref get windows special folder
\nfunction getSpFolderPath(dir_name){
\nvar wsh = WScript.CreateObject(“WScript.Shell”);
\nreturn wsh.SpecialFolders(dir_name)
\n}<\/p>\n

var gobj = {};
\ngobj.folder = getSpFolderPath(“Desktop”);<\/p>\n

\/\/\u00a0\u00a0 \u00a0logger
\nfunction log(str, file_name){<\/p>\n

var file_name = file_name || “default”;
\nWScript.Echo(str);
\nvar cmd =
\n[
\n“cmd.exe \/c echo”,
\nstr,
\n“>>”,
\ngobj.folder+ “\/\/” + file_name + “.log”
\n]<\/p>\n

\/\/\u00a0\u00a0 \u00a0loging
\nWScript.CreateObject(“WScript.Shell”).Exec(cmd.join(” “))<\/p>\n

}<\/p>\n

\/\/—————————————————————-
\n\/\/\u00a0\u00a0 \u00a0string\u306e\u3042\u308c\u306e\u30c6\u30b9\u30c8<\/p>\n

var dt = new Date();
\nvar str = “asdfwert”;
\nvar loop = 10000000;
\nvar val = “”;<\/p>\n

log(“substr”);<\/p>\n

for(var i = 0; i<=loop; i++){
\nval = str.substr(0, 5);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“substring”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.substring(0, 5);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“indexOf”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.indexOf(“asdfw”);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“search”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.search(“asdfw”);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“charAt”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.charAt(0);
\nval = str.charAt(1);
\nval = str.charAt(2);
\nval = str.charAt(3);
\nval = str.charAt(4);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“charCodeAt”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.charCodeAt(0);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“length”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.length;
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“slice”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.slice(0, 5);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“replace”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.replace(“asdfw”, “xxxxx”);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

log(“split”);
\ndt = new Date();
\nfor(var i = 0; i<=loop; i++){
\nval = str.split(“f”);
\n}<\/p>\n

log(new Date() – dt);<\/p>\n

[\/javascript]<\/p>\n

\u7d50\u679c\u306f\u3053\u3061\u3089\uff01
\n\u5358\u4f4d\u306f\u30df\u30ea\u79d2<\/h2>\n

substr <\/span>
\n4936<\/span>
\nsubstring
\n4779
\nindexOf
\n3299
\nsearch <\/span>
\n25394<\/span>
\ncharAt
\n19793
\ncharCodeAt
\n2766
\nlength
\n1688
\nslice
\n4711
\nreplace
\n5955
\nsplit <\/span>
\n11605<\/span><\/h3>\n

\u3064\u307e\u30fc\u308a\uff01<\/h2>\n

\u306a\u306b\u304b\u306e\u6587\u5b57\u8a55\u4fa1\u3067\u3001
\n\u63a2\u3059\u3001\u629c\u304d\u51fa\u3059\u3001\u7de8\u96c6\u3059\u308b\u3063\u3066\u4e8b\u3092\u3059\u308b\u969b\u306f
\n\u51fa\u6765\u308b\u3060\u3051\u3001substr\u3068\u304bsplit\u3068\u304breplace\u3092\u907f\u3051\u305f\u65b9\u304c\u30a4\u30a4\u3063\u3066\u4e8b\u3055\uff01<\/p>\n

\u3042\u308b\u610f\u5473\u3067\u306f\u3001
\n\u6587\u5b57\u5217\u306b\u4e00\u5b9a\u306e\u30eb\u30fc\u30eb\u304c\u3042\u308b\u306a\u3089
\n\u305d\u306e\u30eb\u30fc\u30eb\u306b\u306e\u3063\u3068\u3063\u3066\u3001slice\u3084\u3089\u3092indexOf\u3092\u99c6\u4f7f\u3057\u305f\u308a\u3002
\n\u9006\u306b\u8a00\u3048\u3070\u30eb\u30fc\u30eb\u3092\u8a2d\u3051\u308c\u3070\u3001\u64cd\u4f5c\u901f\u5ea6\u306f\u683c\u6bb5\u306b\u4e0a\u304c\u308b\uff01<\/p>\n

\u3053\u306e\u5927\u5bb9\u91cf\u6642\u4ee3\u3060\u304b\u3089\u3053\u305d\u3001
\n\u3061\u3087\u3063\u3068\u3057\u305f\u5de5\u592b\u3067\u683c\u6bb5\u306b\u51e6\u7406\u304c\u5909\u308f\u308b\u306e\u304b\u3082\u306d\u3002<\/p>\n

\u307e\u3041\uff5e\uff5e\u3001
\n\u4eca\u66f4\u6c17\u4ed8\u3044\u3066\u3093\u3058\u3083\u306d\u30fc\u3088\u3068\u304b
\n\u3093\u306a\u3082\u3093\u8003\u3048\u306a\u304f\u3066\u3082\u308f\u304b\u308b\u3063\u3057\u3087\u3068\u304b
\n\u3072\u3058\u3087\u30fc\u30fc\u30fc\u30fc\u306b\u304d\u3073\u3057\u30fc\u30fc\u30fc
\n\u30c4\u30c3\u30b3\u30df\u304c\u5165\u308a\u305d\u3046\u3060\u3051\u3069\u30fb\u30fb\u30fb<\/h2>\n

\u3086\u308b\u305b\u30fb\u30fb\u30fb<\/p>\n

\u4ee5\u4e0a\u4eca\u65e5\u306e\u30c1\u30c3\u30d7\u30b9\u3067\u3057\u305f<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3082\u306e\u3059\u3054\u30fc\u30fc\u30fc\u304f\u5358\u7d14\u306b substr\u306f\u9045\u3044\u3063\u3066\u4e8b\u306b\u6c17\u4ed8\u3044\u305f\u3002 \u307b\u3093\u3068\u305f\u3060\u3053\u308c\u3060\u3051\u306e\u4e8b\u306a\u3093\u3060\u308f\u30b5\u3002 [javascript] \/\/——————&#82 […]<\/p>\n","protected":false},"author":1,"featured_media":21376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,5],"tags":[],"class_list":{"0":"post-21600","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-note","8":"category-script","9":"czr-hentry"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2016\/09\/Resize_DSC02835.jpg?fit=1800%2C1011","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pyh1l-5Co","jetpack-related-posts":[{"id":25119,"url":"http:\/\/www.sakaiden.com\/?p=25119","url_meta":{"origin":21600,"position":0},"title":"JScript 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3x"},"classes":[]},{"id":29701,"url":"http:\/\/www.sakaiden.com\/?p=29701","url_meta":{"origin":21600,"position":2},"title":"AfterEffects\u3084Photoshop\u3067vbs\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5","author":"\u534a\u8896\u8239\u9577","date":"2020 \u5e74 1 \u6708 23 \u65e5","format":false,"excerpt":"\u8868\u984c\u901a\u308a\u3002 function writeVBSFile(source) { var vbs = ne\u2026","rel":"","context":"CG","block_context":{"text":"CG","link":"http:\/\/www.sakaiden.com\/?cat=35"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2020\/01\/2020-01-24_03h18_05.png?fit=1162%2C617&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2020\/01\/2020-01-24_03h18_05.png?fit=1162%2C617&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2020\/01\/2020-01-24_03h18_05.png?fit=1162%2C617&resize=525%2C300 1.5x, 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\u5916\u2026","rel":"","context":"CG","block_context":{"text":"CG","link":"http:\/\/www.sakaiden.com\/?cat=35"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2018\/01\/2018-01-20_13h36_52.png?fit=1200%2C521&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2018\/01\/2018-01-20_13h36_52.png?fit=1200%2C521&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2018\/01\/2018-01-20_13h36_52.png?fit=1200%2C521&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2018\/01\/2018-01-20_13h36_52.png?fit=1200%2C521&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.sakaiden.com\/wp-content\/uploads\/2018\/01\/2018-01-20_13h36_52.png?fit=1200%2C521&resize=1050%2C600 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