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Introduccion a Lenguaje HTML, Programacion Web

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Manual de lenguaje HTML, muy básico con el objetivo de comenzar a comprender su estructura y etiquetado. La presentación está perfecta para una clase introductoria de lenguaje HTML, en formato PDF.

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Introduccion a Lenguaje HTML, Programacion Web

  1. 1. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Blog de Programación Web http://miw2012.blogspot.com/ Desarrollo de Sitios Web Dinámicos con PHP, Java Script, HTML5, CSS
  2. 2. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Contenido Un poco de teoría sobre lenguaje HTML, muy básico con el objetivo de comenzar a comprender su estructura y etiquetado. • Qué es HTML • Etiquetas HTML de Formato Físico • Etiquetas HTML de Formato lógico • Estructura de HTML • Ejemplos 2
  3. 3. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos 3 ¿Qué es HTML? Hyper Text Markup Languaje o lenguaje de definición de marcas, es un lenguaje sencillo que permite marcar los documentos de hipertexto mediante unas etiquetas especificas, de este modo conseguimos darle a los documentos una cierta estructura.
  4. 4. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Etiquetas de HTML • Para crear los documentos HTML puede usarse cualquier editor de texto, pero en este caso comenzaremos utilizando PSPad o un editor de código que esté disponible en la PC. • Las etiquetas que se utilizan en HTML, se reconocen en dos tipos, las de apertura y las de cierre, representado simbólicamente así: Apertura: <Etiqueta> Ej. <H1> Titulo </H1> Cierre : </Etiqueta> 4
  5. 5. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Estructura básica de HTML • El documento HTML se divide en dos partes principales: El encabezado (HEAD) y el cuerpo (BODY). El encabezado es la parte que se encuentra entre las etiquetas <HEAD> y </HEAD>. • Dentro del mismo se encuentra información sobre nuestro documento, en nuestro caso tenemos el título de la página entre las etiquetas <TITLE> y </TITLE>. En el cuerpo pondremos todo lo que queramos ver en nuestra página texto, imágenes, enlaces... 5
  6. 6. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Primer Ejemplo Para el desarrollo del primer ejercicio realice los siguientes pasos. 1. Abra el editor de código Note++ 2. Cree un nuevo documento asegurándose que sea de tipo HTML. 3. Observe la estructura básica del nuevo documento generado, después de observarlo, bórrelo y trate de recordarlo escribiéndolo en un nuevo archivo HTML. 6
  7. 7. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Ejemplo1.html <HTML> <HEAD> <TITLE>Titulo de la página</TITLE> </HEAD> <BODY> Cuerpo de la página </BODY> </HTML> 7
  8. 8. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Formato de Texto Existen dos tipos de formato para los caracteres: Los formatos físicos y los formatos lógicos.. • Formatos físicos: Son los que ordenan como se va a presentar el texto. Son formatos físicos por ejemplo la negrita, el subrayado... 8
  9. 9. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Etiquetas para Formato de Texto <B> Negrita</B> <SUB> M Subíndice</SUB> <I>Cursiva</I> <SUP> M Superíndice </SUP> 9
  10. 10. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Etiquetas para Formato de Texto <U> Subrayado</U> <TT>Maquina escribir</TT> <S> Tachado </S> 10
  11. 11. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Segundo Ejemplo Para el desarrollo del segundo ejercicio realice los siguientes pasos. 1. Cree un nuevo archivo de tipo HTML en Note++ 2. Utilice la estructura básica creada por el programa para aumentar más código HTML a la página web. 3. Utilice las etiquetas descritas anteriormente. 11
  12. 12. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Ejemplo2.html • <HTML> <HEAD> <TITLE>Formatos físicos</TITLE> </HEAD> <BODY> <B>Este texto esta en negrita</B> <I>en cambio este esta en cursiva</I> <U>también se puede subrayar</U> <S>y tachar</S> <B><I><U>Se pueden usar</U> varios a</I> la vez</B> Ejemplo superíndice: 6<SUP>2</SUP>= 36 Ejemplo subíndice: X<SUB>1</SUB> + X<SUB>2</SUB> = Z </BODY> </HTML> 12
  13. 13. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Tamaño y Color del Texto Usamos la etiqueta FONT y la propiedad SIZE. Para ponerle a una palabra un tamaño 7 pondríamos la etiqueta <FONT> y el atributo SIZE con el valor 7: <FONT Size = 5>Texto fuente 5</FONT> 13
  14. 14. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Atributos de la etiqueta FONT SIZE • Este atributo sirve para cambiar el tamaño de las fuentes. Hay varias maneras de utilizarlo: • a) Size = n • De esta manera estamos asignando un tamaño directamente. El tamaño (n) va desde uno a siete donde uno es el valor de letra más pequeño y siete el más grande. 14
  15. 15. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Tamaño del Texto, Font Size <FONT Size=1>El tamaño de letra es 2</FONT> <FONT Size=4>El tamaño de letra es 4</FONT> <FONT Size=7>El tamaño de letra es 7</FONT> 15
  16. 16. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Tamaño del Texto en Base a 3 Incrementamos o disminuimos un tamaño (n) relativo al tamaño base que por defecto es 3. b) Size=+n ó Size=-n <FONT Size=-1>Tamaño de letra 2 (3-1)</FONT> <FONT Size=+3>Tamaño de letra 6 (3+3)</FONT> 16
  17. 17. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Color del Texto, Font Color <FONT Color=Blue>Esta frase es de color Azul</FONT> Esta frase es de color Azul <FONT Color="#0000ff">Esta frase también es de color Azul</FONT> Esta frase también es de color Azul <FONT Color=Red Size=5>Esta frase es de color Rojo</FONT> Esta frase es de color Rojo 17
  18. 18. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Fuente del Texto, Font Face Se utiliza para cambiar el tipo de la fuente. Si no definimos este atributo cada navegador cargara el documento HTML con la fuente que tenga predeterminada, lo mismo pasará si el ordenador en que se visualice la página no contiene el tipo de fuente que definamos en el documento con este atributo. <FONT Face="Comic Sans MS" Size=5>Tipos de fuente</FONT> 18
  19. 19. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Etiqueta Font Face Multiple Se puede definir más de un tipo de letra, con el fin de que si un ordenador no contiene el primer tipo de fuente que contiene el atributo, pruebe con el segundo, tercero y ….. Hasta encontrar una que tenga disponible el navegador. <FONT Face="Arial,Comic Sans MS" Size=5>Tipos de fuente</FONT> 19
  20. 20. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Tercer Ejemplo Para el desarrollo del tercer ejercicio realice los siguientes pasos. 1. Cree un nuevo archivo de tipo HTML en Note++ 2. Copie el código del ejercicio dos en el nuevo archivo creado y modifíquelo agregando el siguiente código con etiquetas para tamaño, color y tipo de fuente. 20
  21. 21. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Ejemplo3.html <FONT Size=1>El tamaño de letra es 2</FONT> <FONT Size=4>El tamaño de letra es 4</FONT> <FONT Size=7>El tamaño de letra es 7</FONT> <FONT Size=-1>Tamaño de letra 2 (3-1)</FONT> <FONT Size=+3>Tamaño de letra 6 (3+3)</FONT> <FONT Color=Blue>Esta frase es de color Azul</FONT> <FONT Color="#0000ff">Esta frase también es de color Azul</FONT> <FONT Color=Red Size=5>Esta frase es de color Rojo</FONT> <FONT Color=Red Size=7 Face="Comic Sans MS,Arial“>Ejercicio 5<BR> </FONT> <FONT Color="#33ccaa" Size=5>Atributos<BR></FONT> <FONT Color="#bb22ff" Size=+3 Face="Courier New“></FONT> 21
  22. 22. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Justificación del Texto Justificado a la Izquierda: <p align=“left”> Texto alineado a la izquirda</p> Justificado al Centro: <p align=“center”> Texto alineado al centro</p> Justificado a la derecha: <p align=“right”> Texto alineado a la derecha</p> 22
  23. 23. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Etiqueta DIV • Una forma de simplificar el código y evitar introducir continuamente el tributo align sobre cada etiqueta es utilizando la etiqueta <DIV>. • Esta etiqueta por sí sola no sirve para nada. Tiene que estar acompañada del atributo align y nos permite alinear cualquier elemento (párrafo o imagen). 23
  24. 24. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Ejemplo de la etiqueta <DIV> <p align=“left”>Parraro1</p> <p align=“left”>Parraro2</p> <p align=“left”>Parraro3</p> Es equivalente a: <div align=“left”> <p>Parraro1</p> <p>Parraro2</p> <p>Parraro3</p> </div> 24
  25. 25. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Aplicar fondo de Página <body bgcolor=“red”> Aplicar color de fondo a la página. <body background=“fondo.jpg”> Coloca imagen de fondo a la página. 25
  26. 26. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Márgenes de Página • leftmargin: para indicar el margen a los lados de la página. • topmargin: para indicar el margen arriba y debajo de la página. • marginwidth: para contrapartida de leftmargin para Netscape. • marginheight: igual que topmargin, pero para Netscape 26
  27. 27. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Cuarto Ejemplo Para el desarrollo del cuarto ejercicio realice los siguientes pasos. 1. Abra el archivo llamado ejercicio3.html 2. Modifique el código aplique un fondo de página y márgenes. 3. Puede basarse en el siguiente ejemplo 27
  28. 28. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Ejemplo4.html <html> <body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0 bgcolor=“ffffff”> <table width=100% bgcolor=ff6666><tr><td> <h1> Ejemplo4</h1> <br> Esta es una tabla sencilla de una fila.<br> </td></tr> </table> </body> </html> 28
  29. 29. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Practica Sugerida • Leer guía sobre etiquetas usadas para la creación de formularios. • Crear un formulario usando las etiquetas de formularios. • Crear estructura de página usando etiquetas HTML 29
  30. 30. Introducción a Lenguaje HTML Diseño y Desarrollo De Sitios Web Dinámicos Web master: Pedro Antonio Villalta pavillalta@gmail.com pavillalta@ugb.edu.sv Desarrollo de Sitios Web Dinámicos con PHP, Java Script, HTML5, CSS Si la presentación fue útil, compártela y recomienda el blog.

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