Rules html general sports rules z2. Rules for constructing HTML documents. Rules for writing CSS
An assortment is a fairly large collection of products united by some common characteristic (raw materials, purpose, manufacturer, etc.), differing from each other in other characteristics. There are industrial and commercial, simple and complex, combined and mixed, expanded and enlarged assortments of goods.
An industrial assortment is a set of products produced separately or individually.
Trade assortment is a set of goods sold in a retail chain. - this is the totality of all (and) involved in the sale of goods. The trade assortment includes a set of goods produced by both domestic and foreign manufacturers. It is more diverse than the industrial range.
The range of goods presented at a trading enterprise determines its type (department store, supermarket) and the form of trade service. In addition, in stores of the same type, but with different sales areas, the assortment will differ in the number of groups and types of goods. In this case, trading enterprises will be divided into universal and specialized, stores with a combined and mixed assortment.
Taking into account complexity, a distinction is made between simple and complex assortments of goods.
Those types of goods that are classified according to no more than three criteria will form a simple assortment of goods (vegetables, table salt, laundry soap, etc.).
Those types of goods that are classified into varieties according to more than three criteria will collectively constitute a complex assortment of goods (shoes, clothing, etc.).
The enlarged assortment is determined by the ratio of individual product groups. A group of goods should be combined according to a number of characteristics: production method, purpose, design features, etc. The expanded assortment is determined by the types of goods presented.
A combined assortment is a set of several groups of goods for different purposes that are connected by a common demand and satisfy individual needs. For example, the Men's Clothing store sells a combined assortment.
Mixed assortment is a combination of non-food and food products of various groups. The mixed assortment is represented, as a rule, by the largest number of groups and types of goods.
Main characteristics of the product rangeThe main indicators of the assortment are structure, completeness, depth, stability, and novelty.
Assortment structureThe assortment structure is the percentage of certain sets of products to their total quantity.
Indicators of assortment structure are often expressed as percentages. For example, the percentage of shirts, suits and other products determines the type structure of the assortment in the Men's Clothing store.
Breadth of assortmentThe breadth of the assortment is determined by the number of product groups and is assessed by the breadth coefficient:
K w = G f / G n
- where G f is the number of product groups at the time of determination, units; Gn - total number of product groups, units.
The completeness of the assortment is the correspondence of the actual availability of types of goods to the developed assortment list and existing demand.
They express the completeness of the assortment through the coefficient of completeness K p of the assortment, which is determined by the formula:
K p = V f / V n
- where V f is the actual number of types of goods at the time of inspection (inspection), units; In n - the number of types provided for by the assortment list, supply contract, standards, etc., units.
The depth of the assortment is determined by the number of varieties of goods for each item. The assortment depth coefficient is estimated using the formula:
K g = R f / R n
- where R f is the actual number of varieties of goods at the time of inspection, units; R n - number of varieties provided for by the assortment list, terms of the contract, price lists, etc., units.
Sustainability (stability) characterizes the constant availability of a product of the corresponding type (variety) for sale. The stability coefficient K y is determined by the formula:
K y = 1 - (P" f1 + P" f2 + ... + P" fn / P n × n)
- where P" f1, P" f2,..., P" fn - the actual number of varieties (types) of goods from those provided for in the assortment list and not on sale at the time of individual checks, units; R n - number of varieties (types) of goods provided by the assortment list, units; n - number of checks.
The assortment stability coefficient is usually determined for a specific period (month, quarter, year). It has been established that the optimal coefficient of stability of the assortment should be expressed by the following values: for department stores - 0.80; for specialized stores - 0.75.
New assortmentNovelty characterizes the emergence of new varieties of goods over a certain period of time and is assessed by the novelty coefficient K o:
K o = R o / R f
- where P o is the number of new varieties of goods that appeared at the time of inspection, units; R f - average number of varieties, units.
The novelty coefficient characterizes the degree of renewal of the assortment and the emergence of new products.
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Attribute of What does| Starflower | stir fied tofu |
| Miko | vegetable rice soup |
| Andy | hummus |
| Ping | french toast |
RULES=ALL indicates that all the internal borders should be visible. RULES=ALL is usually used in conjunction with FRAME=VOID so that there are outer borders but no inner borders.
| Starflower | stir fied tofu |
| Miko | vegetable rice soup |
| Andy | hummus |
| Ping | french toast |
COLS indicates that there should be borders between the columns but not between rows.
| Starflower | stir fied tofu |
| Miko | vegetable rice soup |
| Andy | hummus |
| Ping | french toast |
RULES=ROWS indicates that there should be borders between rows but not between columns.
| Starflower | stir fied tofu |
| Miko | vegetable rice soup |
| Andy | hummus |
| Ping | french toast |
RULES=GROUPS allows you to put borders between groups of table cells. There are two ways cells can be grouped: by row and by column. Let's go over each of them. Note that currently Netscape does not recognize RULES.
Grouping By RowTo group by row use the , , tags. indicates the header rows of the table, indicates the main body of the table, and indicates the bottom rows. So, for example, this code creates a table with three groups. Borders appear just between groups:
| Starflower | stir fied tofu | 5.95 |
| Miko | vegetable rice soup | 4.95 |
| Andy | hummus | 3.95 |
| Ping | french toast | 5.95 |
| 20.80 |
Here's how that table renders:
| Starflower | stir fied tofu | 5.95 |
| Miko | vegetable rice soup | 4.95 |
| Andy | hummus | 3.95 |
| Ping | french toast | 5.95 |
| 20.80 |
To group by column use the tag and its SPAN attribute. takes a little getting used to because it doesn"t actually go around any table cells. It goes at the top of the table code where it sets rules about the table columns including which are grouped together. to indicates how many columns are in each group .If you leave SPAN out then it is assumed the group has just one column. So, for example, the following code says that the first column is in a group by itself and the three after that are together in a group. Notice that requires an end tag. Borders will go only between the groups.
HTML Basics contains the basic rules HTML language, description of the structure of an HTML page, relationships in the structure of an HTML document between HTML elements.
An HTML document is a regular one Text Document, can be created either in a regular text editor (Notepad) or in a specialized one with code highlighting (Notepad++, Visual Studio Code, etc.). An HTML document has a .html extension.
An HTML document consists of a tree of HTML elements and text. Each element is identified in the source document by a start (opening) and an ending (closing) tag (with rare exceptions).
The start tag shows where the element begins, the end tag shows where it ends. The closing tag is formed by adding a slash / before the tag name: .... Between the start and closing tags is the content of the tag - the content.
Single tags cannot store content directly; it is written as an attribute value, for example, a tag will create a button with the text Button inside.
Tags can be nested inside each other, for example,
Text
. When investing, you should follow the order in which they are closed (the “matryoshka” principle), for example, the following entry will be incorrect:Text
.HTML elements can have attributes (global, applied to all HTML elements, and their own). Attributes are written in the opening tag of the element and contain a name and value, specified in the format attribute name="value" . Attributes allow you to change the properties and behavior of the element for which they are set.
Each element can be assigned multiple class values and only one id value. Multiple class values are written separated by a space, . The class and id values must consist only of letters, numbers, hyphens, and underscores, and must begin with only letters or numbers.
The browser views (interprets) the HTML document, building its structure (DOM) and displaying it in accordance with the instructions included in this file (style sheets, scripts). If the markup is correct, the browser window will display an HTML page containing HTML elements - headers, tables, images, etc.
The interpretation process (parsing) begins before the web page is fully loaded into the browser. Browsers process HTML documents sequentially, from the beginning, while processing CSS and relating style sheets to page elements.
An HTML document consists of two sections - the header - between the tags ... and the content part - between the tags ....
Web page structure 1. HTML document structureHTML follows the rules contained in the document type declaration file (Document Type Definition, or DTD). A DTD is an XML document that defines which tags, attributes, and their values are valid for a particular HTML type. Each version of HTML has its own DTD.
DOCTYPE is responsible for the correct display of a web page by the browser. DOCTYPE specifies not only the HTML version (eg html) but also the corresponding DTD file on the Internet.
...
The elements inside the tag form a document tree, the so-called document object model, DOM (document object model). In this case, the element is the root element.
Rice. 1. The simplest structure of a web page To understand the interaction of web page elements, it is necessary to consider the so-called “family relationships” between elements. Relationships between multiple nested elements are classified as parent, child, and sister.
An ancestor is an element that contains other elements. In Figure 1, the ancestor for all elements is . At the same time, the element is the ancestor of all the tags it contains: ,
, , etc.
A descendant is an element located within one or more element types. For example, is a descendant of , and the element
Is a descendant of both and .
A parent element is an element that is related to other elements at a lower level and is located above them in the tree. In Figure 1 and . Tag
Is parent only to .
A child element is an element that is directly subordinate to another element at a higher level. In Figure 1 there are only elements , ,
And are children of .
A sister element is an element that has a common parent element with the one in question, the so-called elements of the same level. In Figure 1 and are elements of the same level, as well as elements , and
They are sisters to each other.
1.1. Element 1.2. ElementSection ... contains technical information about the page: title, description, keywords for search engines, encoding, etc. The information you enter there is not displayed in the browser window, but it contains information that tells the browser how to process the page.
1.2.1. ElementThe required section tag is . The text placed inside this tag appears in the title bar of the web browser. The title should be no more than 60 characters long to fit completely in the title. The title text should contain the most complete description of the content of the web page.
1.2.2. ElementAn optional section tag is a single tag. With its help, you can set a description of the page content and keywords for search engines, the author of the HTML document, and other metadata properties. An element can contain multiple elements because they carry different information depending on the attributes used.
The description of the page content and keywords can be simultaneously specified in several languages, for example, in Russian and English:
Using a tag, you can block or allow indexing of a web page by search engines:
To automatically reload the page after a specified period of time, you need to use the refresh value:
The page will be reloaded after 30 seconds. To redirect the visitor to another page, you need to specify the URL in the url parameter:
