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[{"key": "dc.contributor.advisor", "value": "Sakkinen, Markku", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Aho, Petteri", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2015-04-14T10:34:18Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2015-04-14T10:34:18Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2015", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1472133", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/45626", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "JavaScript on saanut kritiikki\u00e4 hitaudesta ja lis\u00e4ksi se on k\u00e4rsinyt maineesta lelukielen\u00e4, joka on hy\u00f6dyllinen vain suhteellisen yksinkertaisiin teht\u00e4viin. Aikaisemmin web-sivut oli rakennettu pelk\u00e4n HTML:n avulla staattisiksi sivuiksi. Ne n\u00e4kyiv\u00e4t selaimessa aina samanlaisina ja muuttuivat vain, jos tiedostoa muokattiin palvelimella. Nykyp\u00e4iv\u00e4n\u00e4 useimmat web-sivut k\u00e4ytt\u00e4v\u00e4t JavaScripti\u00e4, jonka t\u00e4rkein teht\u00e4v\u00e4 on lis\u00e4t\u00e4 web-sivuille vuorovaikutteisuutta ja dynaamista toiminnallisuutta. JavaScriptin k\u00e4ytt\u00f6 on yleistynyt sen yksinkertaisuuden, joustavuuden, monipuolisten lis\u00e4osien ja tehokkaan suorituskyvyn ansiosta.\r\n\r\nTutkimuksessa k\u00e4ytettiin aihepiirin kirjallisuuteen perustuvaa teoreettis-k\u00e4sitteellist\u00e4 tutkimusta ja suunnittelutieteellist\u00e4, konstruktiivista tutkimusta. Sen p\u00e4\u00e4tavoitteena oli t\u00e4ydent\u00e4\u00e4 aikaisempia tutkimustuloksia toteuttamalla erilaisilla menetelmill\u00e4 kaksi toiminnallisuudeltaan ja ulkoasultaan samanlaista web-sovellusta ja vertailemalla niiden laatuominaisuuksia. Sovellusten tarkoitus on nauhoittaa ja tallentaa k\u00e4ytt\u00e4j\u00e4n kirjaamia erilaisia ty\u00f6teht\u00e4vi\u00e4 muistiin. Sovellusten tehokkuutta, yll\u00e4pidett\u00e4vyytt\u00e4, kytkent\u00e4\u00e4 ja kokoa mitattiin standardointij\u00e4rjest\u00f6jen m\u00e4\u00e4rittelemien laatustandardien avulla. Ensimm\u00e4isess\u00e4 versiossa JavaScriptin tukena k\u00e4ytettiin kolmansien osapuolten tekemi\u00e4 kirjastoja, automaatioty\u00f6kalua ja sovelluskehyst\u00e4. Toinen versio ei k\u00e4ytt\u00e4nyt t\u00e4llaisia apuv\u00e4lineit\u00e4.\r\n\r\nTutkimus osoitti, ett\u00e4 kirjastojen, automaatioty\u00f6kalun ja sovelluskehyksen k\u00e4ytt\u00f6 heikensi sovelluksen tehokkuutta sivun alustusvaiheessa ja kasvatti sen kokoa. Alustuksen j\u00e4lkeen n\u00e4it\u00e4 menetelmi\u00e4 k\u00e4ytt\u00e4v\u00e4 sovellus toimi kuitenkin tehokkaammin kuin verrokkisovellus. Menetelmien k\u00e4ytt\u00f6 parantaa sovelluksen yll\u00e4pidett\u00e4vyytt\u00e4 ja kytkent\u00e4\u00e4. N\u00e4m\u00e4 asiat vaikuttavat sovelluksen kehitys- ja yll\u00e4pitokustannuksiin. Kehittyneiden ja monipuolisten kirjastojen ja ominaisuuksien ansiosta negatiivinen k\u00e4sitys JavaScriptist\u00e4 v\u00e4henee jatkuvasti.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "JavaScript has been criticized for its slowness and it has suffered from its reputation as a toy language that is useful only for relatively simple scripting tasks. Earlier web pages were constructed with plain old HTML as static pages. They looked always the same on a browser and changed only if a file was edited on a server. These days, most web pages use JavaScript because it is possible to create dynamic and interactive functionality with it. JavaScript has become a more common language because it is very simple to use, flexible, efficient and there is a wide range of add-ons.\r\n\r\nA theoretical and conceptual study based on literature, and constructive research based on design science were used as the research methods. The main purpose of this research was to build upon previous research results by implementing two web applications with similar functionality and layout, and comparing their quality attributes. The web applications were created using different methods. The purpose of the applications is to record different tasks that the user wants to save. The efficiency, maintainability, coupling and size of the applications were measured with the help of quality standards defined by standard organizations. The first version used JavaScript libraries, a task runner and a framework created by a third party. The second version did not use such tools.\r\n\r\nThis study showed that the use of the libraries, task runner and framework decreased the efficiency of the application at the page initialization phase, and increased its size. After the initialization, however, the application built with those methods run more effectively than the other one. The maintainability and coupling of the application are improved through the use of these methods. The development and maintenance costs of the application are affected by these issues. As more advanced JavaScript libraries and applications become available, the negative perception of JavaScript will gradually improve.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Petteri Aho (pejuaho) on 2015-04-14 10:34:17.739168. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2015-04-14T10:34:18Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201504141575.pdf: 1505827 bytes, checksum: 389f41567e8774def009507f9217ed91 (MD5)\r\nlicense.html: 4779 bytes, checksum: 7d8b0dd4273d37442e4325f8614bfe80 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2015-04-14T10:34:18Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201504141575.pdf: 1505827 bytes, checksum: 389f41567e8774def009507f9217ed91 (MD5)\r\nlicense.html: 4779 bytes, checksum: 7d8b0dd4273d37442e4325f8614bfe80 (MD5)\r\n Previous issue date: 2015", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (79 s.)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "JavaScript", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "web-sovellus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "sovelluskehys", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "automaatioty\u00f6kalut", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "JavaScript-kirjastot", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "web-sovellusten vertailu", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "konstruktiivinen tutkimus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "JavaScript : ennen ja nyt", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201504141575", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Information Technology", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Informaatioteknologian tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Tietojenk\u00e4sittelytieteiden laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Computer Science and Information Systems", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Information Systems Science", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietoj\u00e4rjestelm\u00e4tiede", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2015-04-14T10:34:19Z", "language": "", "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": 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