{"id":11167,"date":"2022-09-26T09:49:30","date_gmt":"2022-09-26T04:19:30","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/"},"modified":"2022-09-26T09:49:30","modified_gmt":"2022-09-26T04:19:30","slug":"solved-does-operator-disable-further-concatenation-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/","title":{"rendered":"[Solved] Does || operator disable further concatenation? [closed]"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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<\/div>\n
\n
\n

+<\/code> has higher precedence<\/a> than ||<\/code>. What this means is that your code effectively means this:<\/p>\n

var temp1 = \"string1\" + b;\nvar temp2 = c + \"string2\";\na = temp1 || temp2;\n<\/code><\/pre>\n
If you want the string to start with \"string1\"<\/code>, end with \"string2\"<\/code>, and have either b<\/code> or c<\/code> in the middle, then you can wrap the ||<\/code> section in parentheses to ensure it’s evaluated before the concatenation.<\/p>\n
a = \"string1\" + (b || c) + \"string2\";\n<\/code><\/pre>\n
Example:<\/p>\n<\/p>\n
\n
\n
function log(msg) {\r\n  document.querySelector('pre').innerText += msg + '\\n';\r\n}\r\n\r\nvar a;\r\nvar b = false;\r\nvar c = \"__C__\";\r\na = \"string1\" + (b || c) + \"string2\";\r\nlog(a);\r\n\r\nb = \"__B__\";\r\na = \"string1\" + (b || c) + \"string2\";\r\nlog(a);<\/code><\/pre>\n
<pre><\/pre><\/code><\/pre>\n<\/div>\n<\/div><\/div>\n
<\/div>\n<\/div>\n
            4<\/span> <\/p><\/div>\n<\/div>\n
[ad_2]<\/p>\n
solved Does || operator disable further concatenation? [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] + has higher precedence than ||. What this means is that your code effectively means this: var temp1 = “string1” + b; var temp2 = c + “string2”; a = temp1 || temp2; If you want the string to start with “string1”, end with “string2”, and have either b or c in the middle, … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[333],"class_list":["post-11167","post","type-post","status-publish","format-standard","hentry","category-solved","tag-javascript"],"yoast_head":"\n[Solved] Does || operator disable further concatenation? [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Does || operator disable further concatenation? [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] + has higher precedence than ||. What this means is that your code effectively means this: var temp1 = "string1" + b; var temp2 = c + "string2"; a = temp1 || temp2; If you want the string to start with "string1", end with "string2", and have either b or c in the middle, ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-26T04:19:30+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-does-operator-disable-further-concatenation-closed\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] Does || operator disable further concatenation? 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