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First, let's do an experiment. Open the empty page of any browser, and enter the following code in the Address entry field: Copy Code code as follows: Javascript:void (3); What's going to happen? The answer is that nothing is

First, let's create an experiment. Open a blank page in any browser and enter the following code in the address input column: Copy codeThe Code is as follows: javascript: void (3 ); What will happen?The answer is nothing happens.Then, open a blank

Js Preface This paper introduces the establishment of the development environment of the melting JSP, PHP and Java in a stove, in order to suit the needs of the most beginners, many steps are to use more convenient method, and strive to be simple a

Floating | tips | Web page Let's take a look at how BR plays "clear float". Use the following code The following is a demo of the Code effects: Run Code Box br Topsy clears the floating The following line uses the Effect, why not give up trying

How to remove one or more linefeeds from the beginning and end of a string & lt; br & gt; how to remove one or more linefeeds from the end of a string & lt; br & gt; $ str "& lt; br & gt; & lt; br & gt; text & lt; br & gt; & nbsp; & lt; br & gt; &

The rule in HTML is that there is no ending character for the br, but in XHTML, the rule is that the start tag of the br is followed by the end tag. For details, see answer from stackflow: Simply Is sufficient. The other forms are there for

The rule in HTML is the BR empty tag, no terminator, but in XHTML, the stipulation is that the br/start tag is immediately followed by the end tag, please understand this Answer from Stackflow: Simply is sufficient. The other forms are there

This article mainly introduces how to use str_replace in php to replace the br with the carriage return in the input box, and how to replace \ n with the br. For more information, see This article describes how to use str_replace in php to replace

This article mainly explains the use of the BR tag for HTML paragraph text wrapping, and in one paragraph, the correct line wrapping can make the page more beautiful. Now let's take a look at this article about HTML paragraph text wrapping. First,

In-depth discussion of & amp; quot; & amp; lt; br & amp; gt; & amp; quot; and & amp; q. Rn is the line feed of the output HTML code. the effect the customer sees is not line feed. The opposite is true for the br: I am content rn, I am content br, I