what is nfc tag

title in the search engine listings. the META keywords tag allows webmasters to include key-words and key-phrases (two or more keywords) that describe the content of the webpage as a meta tag indexed by the search engine. below is an example of the meta-DescriptionAnd meta-keywordsFound in this HTML document. Search engines have also defined anot

What are the variables in the {dede: php} tag? {Dede: php} nbsp; $ cfabc; {dede: php} nbsp; {dede: php} $ cfabc; nbsp; echo lt; li gt ;. $ cf. lt; li gt; {dede: php} as shown above, if the variables in the $ {dede: php} tag are different? {Dede: php} $ Cf = 'abc '; {/Dede: php} {Dede: php} // $ Cf = 'abc '; Echo' '. $ Cf .''; {/Dede: php}

What are the variables in the {dede: php} tag? {Dede: php} nbsp; $ cf = 'abc'; {/dede: php} nbsp; {dede: php} // $ cf = 'abc '; nbsp; echo ' lt; li gt ;'. $ cf. ' lt;/li gt;'; {dede: php} is the variable in the two fields different? {Dede: php} $ Cf = 'abc '; {/Dede: php} {Dede: php} // $ Cf = 'abc '; Echo' '. $ Cf .''; {/Dede: php} As sho

structure is chaotic and the readability is poor. HTML and PHP mixed together, once the program more, it will become very messy. Understanding template principles--Using PHP tag templates Template technology is just to solve these problems, in order to solve these problems, the first

When creating a PHP project, you need to set the input tag to read-only, but the user can modify it in the browser. What should I do? When creating a PHP project, you need to set the input tag to read-only, but the user can modify it in the browser. What should I do? Reply content: When creating a PHP project, you

complements the same situation. The following is a simple record of related usage. The 1.html5 The ID of the DataList needs to be consistent with the list property of input, the option is automatically displayed below input when the output is ready, and DataList has the function of fuzzy query, such as entering "road" in the text box, the recommended content

How to use the aside tag in HTML5? How to use the Html5aside sidebar you know what? This article mainly explains the definition and usage of aside tags in HTML5, as well as the detailed understanding and considerations of aside elements in HTML5. Definition and usage of HTML 5 The Here are some examples: Details of the The html Do not use the Two ways to use aside tags in HTML5: 1. Included in the ar

Original: What happens to Javascript:alert (this.innerhtml) in the href attribute of the tag?The above code does not get the result you want because the this object of the href attribute in the This time this is the window object of the reference, so using this.innerhtml will not display the content.So we can work this out.This in the OnClick event

PHP fixes HTML tags that are not normally closed and support nesting and nearby closure. For more information about how to use fixHtmlTag, see fixHtmlTag. Version 0.2: This version solves the problems left over from the last time, that is, proximity closure and nested closure. For more information, see the comments of the Code. The Code is as follows: /*** FixHtmlTag** HTML

FixHtmlTag Version 0.2: This version solves the problems left over from the last time, that is, proximity closure and nested closure. For more information, see the comments of the Code. Copy codeThe Code is as follows: /*** FixHtmlTag** HTML Tag repair function. This function can fix HTML tags that are not properly closed.** Due to too many uncertainties, the ne

What does PHP short open tag mean?In many PHP programs we often use the php.ini inside the Short_open_tag=off modified to Short_open_tag=onWhat is Short_open_tag?In general, PHP code needs to be included with a flag, and when set Short_open_tag is on, allow the above flag to be abbreviated .If you want to u

descriptionMeta tags are description information parameters that represent the main content of the website and what the profile is.3. Meta tag http-equiv=content-typecontent= "text/htmlHttp-equiv=content-type represents the HTTP header protocol, prompting the browser Web page for information,Meta tag of charset inform

the specified time (in seconds)Min-fresh indicates that the client can receive response times that are less than the current time plus a specified timeMax-stale indicates that the client can receive a response message that exceeds the timeout period. If you specify a value for the Max-stale message, the client can receive a response message that exceeds the specified value for the timeout period.tips for using meta tags：Meta tags are used to describe the properties of a Web page in a language,

This article mainly introduces the HTML tbody tag is not block-level elements, as well as the basic use of HTML tbody tags, and then let's look at this article about HTML tbody tags First we need to know what block-level elements and inline elements are: block-level elements , typically starting from a new row, can hold inline elements and other block elem

is handled with JavaScript .# It is recommended to use the HTML basic button . Better than using the button role property. Https://developer.mozilla.org/ko/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_button_role A tag to set the HREF method only for button use #href="javascript:;"Orhref="javascript:void(0);" Two of them are

to be very simple.5, clear codeHTML5 allows you to write simple and clear code. With HTML5 you can finally solve your div and its class definition problem by using the semantics of the HTML header tag description. Make your code clearer and easier to understand.6. Use HTML5 nowSo far, the mainstream web browser Firefox5, Chrome 12 and Safari 5 have supported many HTML5 standards, and the latest version of IE also supports many HTML5 standards, as use

Remember before during the training, the instructor told us that the end tag of PHP?> can not be added, and it is best not to add, said in some cases is necessary (forget what is the case) What do you think of Daniel? [PS: Of cour

I use js to traverse the dl tag and assign the onmouseover and onmouseout events to each dl tag. But it becomes invalid. directly add the event to the tag for credibility. My js code should be correct. What is going on? JavaScript has been imported. What's wrong? Thank you ~

change of paragraph display, and the line is a bit worse, normal, said the line is OK, but we have to formally, the line has a newline label, its label is Add a br wrap tag in the middle, let's look at the effect below: , I added a br tag in the middle of the "here", and

Because of the style of the problem I want to give a a tag to the submit button to set a type for it is submit, but found that the failure to commit failed to submit a few times can only be a button tag or the input tag to submit success is not the submit button only these t