{"id":959,"date":"2011-10-07T18:19:04","date_gmt":"2011-10-07T18:19:04","guid":{"rendered":"https:\/\/www.jose-aguilar.com\/blog\/?p=959"},"modified":"2012-08-29T18:52:11","modified_gmt":"2012-08-29T18:52:11","slug":"input-number-incrementer","status":"publish","type":"post","link":"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/","title":{"rendered":"Incrementar valor de un input con m\u00e1s y menos"},"content":{"rendered":"<p><a href=\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-960 alignright\" title=\"input-number-incrementer\" src=\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\" alt=\"\" width=\"273\" height=\"126\" \/><\/a>En este art\u00edculo vamos a explicar como incrementar o decrementar el valor de un input con un script jQuery.<\/p>\n<p>Lo primero que deberemos introducir en nuestra p\u00e1gina son los scripts jQuery en el &lt;head&gt;. Se trata del script jQuery y del script para incrementar y decrementar el valor del input.<\/p>\n<pre>&lt;script type='text\/javascript' src='http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.3.2\/jquery.min.js?ver=1.3.2'&gt;&lt;\/script&gt;\r\n&lt;script type=\"text\/javascript\" src=\"js\/incrementing.js\"&gt;&lt;\/script&gt;<\/pre>\n<p>Seguidamente en el &lt;body&gt; deber\u00edamos tener algo como lo que sigue:<\/p>\n<pre>&lt;div id=\"page-wrap\"&gt;\r\n\u00a0\u00a0\u00a0 &lt;form method=\"post\" action=\"index.php\"&gt;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &lt;div&gt;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &lt;input type=\"text\" name=\"quantity\" id=\"quantity\" value=\"0\"\/&gt;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &lt;\/div&gt;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &lt;input type=\"submit\" value=\"Submit\" id=\"submit\" name=\"submit\" \/&gt;\r\n\u00a0\u00a0\u00a0 &lt;\/form&gt;\r\n&lt;\/div&gt;<\/pre>\n<p><a href=\"https:\/\/www.jose-aguilar.com\/scripts\/jquery\/input-number-increment\/index.php\">Ver el ejemplo en funcionamiento<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En este art\u00edculo vamos a explicar como incrementar o decrementar el valor de un input con un script jQuery. Lo primero que deberemos introducir en nuestra p\u00e1gina son los scripts jQuery en el &lt;head&gt;. Se trata del script jQuery y del script para incrementar y decrementar el valor del input. &lt;script type=&#8217;text\/javascript&#8217; src=&#8217;http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.3.2\/jquery.min.js?ver=1.3.2&#8242;&gt;&lt;\/script&gt; &lt;script type=\u00bbtext\/javascript\u00bb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":960,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,5,3],"tags":[84,79],"class_list":["post-959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-html","category-jquery","category-php","tag-formularios","tag-inputs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Incrementar valor de un input con m\u00e1s y menos - Jose Aguilar Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Incrementar valor de un input con m\u00e1s y menos - Jose Aguilar Blog\" \/>\n<meta property=\"og:description\" content=\"En este art\u00edculo vamos a explicar como incrementar o decrementar el valor de un input con un script jQuery. 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Se trata del script jQuery y del script para incrementar y decrementar el valor del input. &lt;script type=&#039;text\/javascript&#039; src=&#039;http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.3.2\/jquery.min.js?ver=1.3.2&#039;&gt;&lt;\/script&gt; &lt;script type=&quot;text\/javascript&quot; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/\" \/>\n<meta property=\"og:site_name\" content=\"Jose Aguilar Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/joseaguilarblog\" \/>\n<meta property=\"article:published_time\" content=\"2011-10-07T18:19:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-08-29T18:52:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\" \/>\n\t<meta property=\"og:image:width\" content=\"296\" \/>\n\t<meta property=\"og:image:height\" content=\"141\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Jose Aguilar\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@JoseAguilarBlog\" \/>\n<meta name=\"twitter:site\" content=\"@JoseAguilarBlog\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jose Aguilar\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/\",\"url\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/\",\"name\":\"Incrementar valor de un input con m\u00e1s y menos - Jose Aguilar Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\",\"datePublished\":\"2011-10-07T18:19:04+00:00\",\"dateModified\":\"2012-08-29T18:52:11+00:00\",\"author\":{\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/#\/schema\/person\/e6d485db1e1140866e95971d17105d11\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/#primaryimage\",\"url\":\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\",\"contentUrl\":\"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2011\/10\/input-number-incrementer.png\",\"width\":296,\"height\":141},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/input-number-incrementer\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\/\/www.jose-aguilar.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Incrementar valor de un input con m\u00e1s y menos\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/#website\",\"url\":\"https:\/\/www.jose-aguilar.com\/blog\/\",\"name\":\"Jose Aguilar Blog\",\"description\":\"Desarrollo Web con PrestaShop, WordPress, PHP, jQuery y Ajax\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.jose-aguilar.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/#\/schema\/person\/e6d485db1e1140866e95971d17105d11\",\"name\":\"Jose Aguilar\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.jose-aguilar.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/abbfef5f1d75260c549d0f2c2842bb697ba1aadff3b2836b39d2590c8a625415?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/abbfef5f1d75260c549d0f2c2842bb697ba1aadff3b2836b39d2590c8a625415?s=96&d=mm&r=g\",\"caption\":\"Jose Aguilar\"},\"description\":\"Director ejecutivo y tecnol\u00f3gico en JA Modules. 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