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エラーで学ぶJavaScript
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256times
April 17, 2019
Programming
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エラーで学ぶJavaScript
256times
April 17, 2019
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Transcript
ΤϥʔͰֶͿJavaScript JavaScript Debug Practice
Τϥʔͷղফͬͯ େมͰ͢ΑͶ…
• ίʔυ • Τϥʔ ͋Δ͋ΔΤϥʔᶃ
͋Δ͋ΔΤϥʔᶄ • ίʔυ • Τϥʔ
͓͢͠Δ͜ͱ • σόοάͰ࠳ંͨ͠ • 256timesͰͷֶͼ • ΤϥʔͰֶͿJavaScript • ࣗݾհ
͓͢͠Δ͜ͱ • σόοάͰ࠳ંͨ͠ • 256timesͰͷֶͼ • ΤϥʔͰֶͿJavaScript • ࣗݾհ
աڈͷ͕ࣗΖ͏ͱͨ͜͠ͱ • JavaScriptͷจ๏͚֮ͩ͑ɺྲྀߦͷٕज़ͰϞόΠϧΞϓϦ։ൃ
աڈͷࣗʹى͖ͨ͜ͱ • ίʔυͷίϐϖΛΈ߹ΘͤͯͲ͔͕͜͏·͍͔͘ͳ͍ • ΤϥʔϝοηʔδΛݕࡧͯ͠ώοτ͠ͳ͍ͱ͓ख্͛ • ݕࡧͯ͠ղܾ͙ͯ͢͠Εͯ·ͨ٧·Δ →࠳ં
None
͓͢͠Δ͜ͱ • σόοάͰ࠳ંͨ͠ • 256timesͰͷֶͼ • ΤϥʔͰֶͿJavaScript • ࣗݾհ
·ͰʹνΣοΫϙΠϯτΛ࡞Δ • ίʔυΛҰؾʹॻ͍ͯͲ͔͕͜͏·͘ಈ͔ͳ͍ →·ͰͷόʔδϣϯΛܾΊͯҰͭҰͭಈ࡞Λ֬ೝ͍ͯ͘͠ Ver0.3ɹɹɹɹɹʮจࣈྻʯΛදࣔ ɹɹVer0.6ɹɹɹʮจࣈྻʯΛʮྻʯ͔Βදࣔ ɹɹɹɹVer1.0ɹʮจࣈྻʯΛʮྻʯ͔ΒʮϥϯμϜʯʹදࣔ
ϚχϡΞϧΛಡΜͰΈΔ • ΤϥʔϝοηʔδΛݕࡧͯ͠ղܾ͠ͳ͍ͱ٧Ή → ެࣜυΩϡϝϯτ ϚχϡΞϧಡΜͰΈͯɺಈ࡞Λཧղ͢ Δ
׳Εͷେࣄ͞ • ݕࡧͯ͠ղܾ͙ͯ͢͠Εͯ·ͨ٧·Δ →ʮͰ͖ΔʯʹʮԿݟͳ͍Ͱॻ͚ΔʯΛࢦ͢ ɹʢͰ͖Δ·ͰʹΤϥʔΛܦݧ༷ͯ͠ΛཧղͰ͖Δʣ
͓͢͠Δ͜ͱ • σόοάͰ࠳ંͨ͠ • 256timesͰͷֶͼ • ΤϥʔͰֶͿJavaScript • ࣗݾհ
ͳͥΤϥʔΛֶͿͷ͔? • ॏͳΔΤϥʔͰ࣌ؒΛऔΒΕɺΔؾ͕Ε͍͖͕ͯͪ • HTMLCSSʹൺͯɺJavaScriptΤϥʔ͕͋Δͱը໘͕ඳը ͞Εͳ͍͜ͱ͕͋Δ
खΛಈ͔ͯ͠ΤϥʔΛֶͿػձগͳ͍ • JavaScriptͷΤϥʔֶ͕Δίϯςϯπ • JavaScriptΤϥʔϦϑΝϨϯεɿɹΤϥʔҰཡͱɺαϯϓϧίʔυ • Debugging quizɿɹʹରͯ͠બࢶͰղ • JavaScript
Web Quizɿɹʹରͯ͠બࢶͰղ
JavaScript Debug Practice
JavaScript Debug Practice • URLίνϥ • JavaScriptͷΤϥʔू • ίʔυΛमਖ਼ͯ͠σόοάΛମݧͰ͖Δ •
ώϯτͱͯ͠Α͋͘ΔΤϥʔͱݪҼ·ͱΊΛ༻ҙ
ʢσϞʣ
͜ͷࢿྉΛॻ͍ͨਓ • @zawa_zawa0210 • SIerͰΠϯϑϥͱ։ൃࢧԉΛ୲ɻ • JavaScriptྺޒϲ݄͘Β͍ɻ • Ұॹʹ࡞ۀʢ͘͘ձʣͯ͘͠ΕΔํΛืू͍ͯ͠·͢ʂ