Parse Javascript as HTML [closed] - javascript

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I have tried everything. My code doesn't render as HTML, instead it is just raw text.
This is my code:
$('#question').parseHTML(quiz[currentquestion]['question']);
How do I fix this?


Did you mean to use html() as output?
$('#question').html(quiz[currentquestion]['question']);
Or like this with $.parseHTML which is to parse a string into an array of DOM nodes.
var html = $.parseHTML(quiz[currentquestion]['question']);
$('#question').html(html);

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wrong use case for getElementsByTagName? [closed]

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Im trying to get the temperature value from an xml file:
XML: <temperature value="280.15" min="278.15" max="281.15" unit="kelvin"/>
JS: getElementsByTagName("temperature");
The above does not work(shows nothing).
XML: <country>GB</country>
JS: getElementsByTagName("country")
The above does work(shows GB).
I would appreciate if someone could explain why the first example doesnt work and how I can make it work.

The issue you have is that XML tags cannot be self-closing. To make your first example work, just do this:
<temperature value="280.15" min="278.15" max="281.15" unit="kelvin"></temperature>
Also make sure you're using document.getElementsByTagName() not just getElementsByTagName().

The email address is badly formatted. I don't know what's wrong with this can someone help me. [closed]

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Closed 4 years ago.
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Code is not working, I dont know what was the problem

It looks like the email format is reliant on the element in the page with id = 'emailAddress'. Check that it is in the correct format.
Also, if it doesn't run, try changing the last line from:
}());
To:
})();

Regex for background image [closed]

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I've made a regular expression for getting all background image patterns:
Pattern p = Pattern.compile("background(-image)?:[\\s]?url[\\s]*\([\\s]*(?<url>[^\)]*)[\\s]*\)[\\‌​s]*");
But this will failed in this case, because of #66cc33:
background:#66CC33 url(images/bg-topbar.png)
Can anyone help me to modify my pattern?

You can use this regex, with basically doesn't care about anything but the url() content:
background(-image)?:.*?url\(\s*(?<url>.*?)\s*\)

This seems like a duplicate of this question https://stackoverflow.com/a/20857448/5856415, you should try the regex given in that answer to simply select text between the brackets.
/\((.*?)\)/)[1].replace(/('|")/g

How to query the embeded contents of an iframe to check for the presence of an ID [closed]

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I'm curious if a javascript based script can search the embedded website's html and return a true/false value on the existence of ID #foo in its contents

.contents() might be useful for you to read!

Regex for a particular code in javascript [closed]

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i'm working on a form validation and i need a pattern for a paricular type of code.
it's like this:XXXX99999999.
this is the regex i made myself:[A-Za-z]{4}d{8}$
but it doesn't work

Try this:
[A-Z]{4}\d{8}
check it out here: http://regexr.com/3ao9d

var regex=/^[A-Za-z]{4}\d{8}$/
Test this in Developer console
var str="XXXX99999999";
str.match(regex)

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