What is amp. as & in contexts like this.
What is amp Authors should use "&" (ASCII decimal 38) instead of "&" to avoid confusion with the beginning of a character reference (entity reference open delimiter). g. Just to expand on this requirement, I am getting my url from an oracle database table, which I then use within Oracle Application Express, to set the src attribute of an iframe to this url. By current official HTML recommendations, the ampersand must be escaped e. Are you 100% sure that & was the only HTML entity that slipped into your URL and all instances of & got encoded? Not being in your shoes, it seems easier to just fix the previous manipulation functions & is a named or entity character reference and & is a numerical character reference. However, browsers do not require it, and the HTML5 CR proposes to make this a rule, so that special rules apply in attribute va I am looking to prevent the symbol "&" from being replaced by "&" within my URL, specifically within JavaScript. & is a named or entity character reference and & is a numerical character reference. as & in contexts like this. replace(/&/g,'&') before the encoding. Are you 100% sure that & was the only HTML entity that slipped into your URL and all instances of & got encoded? Not being in your shoes, it seems easier to just fix the previous manipulation functions. Why does & become &? What is the main idea behind that? What is the main idea behind that? Which software does this conversion automatically because I can't see any explicit code . HTML rendering tools, like the browser, will see & in the source but render & Make sure the string you are encoding is just & and not & to begin withotherwise it is encoding correctly, which is likely the case. When writing the same URL in a plain text email message or in the location bar of your browser, you would use "&" and not & is the html entity (encoded form) for &, used to describe an ampersand in languages where an ampersand actually means something, like XML. Again, the question is whether that element in your XML is supposed to contain text/plain (what you seem to expect) or text/html (what you're probably getting from upstream). . Note that replacing & with & is only done when writing the URL in HTML, where "&" is a special character (along with "<" and ">"). In fact, & is actually just a substitution for & (see list of character entities ): <!ENTITY amp CDATA "&" -- ampersand, U+0026 ISOnum --> So you should be replacing your ampersands with & when writing a URL in your markup. Authors should also use " & " in attribute values since character references are The first parsing is done by the XML parser (&amp; to &, the second by the web browser (& to &). If you need a different result for some reason, you can do a .