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Type: Posts; User: tr333

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  1. Replies
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    Re: [Javascript] Change boolean value

    The double bitwise NOT is also pretty cool.
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    Re: [Javascript] Change boolean value

    As szlamany said, it's a single !. You can also use a double !! (double logical-NOT) to convert truthy/falsey values to strict boolean.
  3. Re: [RESOLVED] [JavaScript] Event fires when adding handler

    The radix argument to parseInt specifies the base that your string number is in. Always good to specify it to remove any confusion as different JS implementations might use a default radix other...
  4. Re: [JavaScript] Event fires when adding handler

    Hard to know what's going on here without seeing the HTML that goes with this.

    A few thing that I would change:

    Use parseInt instead of Number.

    Change to strict equality comparison...
  5. Re: Condition Always true when checking for "undefined" in Javascript

    if (typeof x !== 'undefined') { }

    You can use the strict comparison !== operator here because you know that typeof will always return a string.
    ...
  6. Re: Where does VBFORUMS save the "text" of a post when it does that AUTOSAVE??

    I would guess it might use LocalStorage. The alternative would be cookies, accessed through document.cookie, but cookies have very low storage space in comparison.

    For data that doesn't need to...
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    Re: [RESOLVED] [JavaScript] For/In issue

    You would want to be using the Array.forEach function to operate on the array elements.

    If you need to support older browsers you can polyfill it with webshim, or use the implementations provided...
  8. Re: [RESOLVED] [JavaScript] Setting up a new array

    Using JSLint is a quick and easy way to find problems in your JS code. Just make sure to set the browser:true setting, or else it will complain about missing the window/document global objects that...
  9. Re: First HTML5 game and having some issues

    FYI: http://dochub.io/#html/canvas


    Example: http://codepen.io/anon/pen/Gclmw
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    Re: javascript, DatePiccker problem

    I would suggest just using <input type="date" /> and then including webshim in your project. This will polyfill a datepicker for browsers that don't provide one natively.
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    Re: Adding Icon / Image on Top Center of LI tag

    http://codepen.io/anon/pen/iykGc

    What do you mean by "top center" position? On top of the nav>ul>li? Maybe try adding the image as a CSS background-image instead of the <img/> tag?
  12. Re: Javascript function which focus the defined control

    Much easier to use the autofocus attribute.
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    Re: How to use css media querys & viewport

    I'm not an expert on media queries, but this site might help you? http://cssmediaqueries.com/
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    Re: help for not clipping content in a tab

    Any chance of putting up an example on jsfiddle or jsbin? Makes it easier to see what's going on.
  15. Re: Want a web page to open another web page and some how grab contents of the other

    If the iframe is on the same domain, then you can just access the contentDocument or contentWindow.document of the iframe. If it's on a different domain, you're out of luck due to Same Origin Policy...
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    Re: Avoiding spambots

    Do you have a high-profile, high-traffic site? If not, then forget about bots. Implementing CAPTCHA to view an email address (aka. recaptcha mailhide) just annoys users, and many people don't...
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    Re: Scanned images uploaded as PDF's

    pdf.js is included as the default pdf viewer in Firefox, but you can also get the pdf.js file from github to do your own pdf manipulations in your website for any browser. I've used it previously to...
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    Re: Scanned images uploaded as PDF's

    http://viewerjs.org/

    It uses the pdfjs library developed by Mozilla, which is a JavaScript pdf library included in recent versions of Firefox.
  19. Thread: Override CSS.

    by tr333
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    1,364

    Re: Override CSS.

    Don't forget the "C" in CSS stands for "Cascading". Order of styles can make all the difference to what gets applied to your page. Firefox and Chrome also support the scoped attribute for scoping...
  20. Thread: Override CSS.

    by tr333
    Replies
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    Re: Override CSS.

    Try checking the DOM inspector that comes as part of the browser developer tools. It should show you which CSS rules are active and which rules are being overwritten by another rule. Are you...
  21. Thread: JQuery Tutorial

    by tr333
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    2,106

    Re: JQuery Tutorial

    https://learn.jquery.com/
    http://try.jquery.com/
  22. Re: Limit the value that can be entered to a text box

    You could do a lot worse than reading the articles at http://html5rocks.com/ :)
  23. Re: Limit the value that can be entered to a text box

    You can do this using HTML5 form validation without any JavaScript. You will need to ensure that your target browser supports the correct attributes. If not, you can just polyfill using webshim.
    ...
  24. Re: No 'Access-Control-Allow-Origin' header is present on the requested resource

    You can, but the remote server on another domain also needs to be configured to send the correct headers to allow connections from your domain.
  25. Thread: Re-sizing stuff

    by tr333
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    485

    Re: Re-sizing stuff

    Dodgy coding? You would need to create a CSS class to add to the top-level element and then prefix all style definitions in your .css with this class. ie. effectively "namespacing" for your css.
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    Re: How to load optional CSS files

    If you need to do the custom loading from inside JavaScript, then I would suggest something like yepnope.js. Using CSS Media Queries is preferable, as it doesn't require any JavaScript.
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    Re: How to load optional CSS files

    Sounds like you want to use CSS Media Queries. That will let you load different CSS stylesheets based on screen/viewport size.

    http://www.html5rocks.com/en/mobile/mobifying/...
  28. Re: No 'Access-Control-Allow-Origin' header is present on the requested resource

    CORS is what you want to use, if your browser supports it. Otherwise, you would be stuck with the older, less secure JSON-P.

    You need to enable it on the server-side to allow it to work properly....
  29. Re: [HTML5/CSS] Center Image between two DIVs

    You could also achieve the same result using CSS flexbox layout mode.

    http://html5please.com/#flexbox
    http://philipwalton.github.io/solved-by-flexbox/...
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    Re: Creating Clickable Line Chart

    I don't have that much experience with it. All the options/settings available are at http://api.highcharts.com/highcharts. The alternative is to contact the developers and ask them directly.
  31. Re: how to Import font from local folder

    You want to use Web Fonts.

    http://www.html5rocks.com/en/tutorials/webfonts/quick/
  32. Replies
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    Re: Creating Clickable Line Chart

    Highcharts will do what you want.

    eg. http://www.highcharts.com/demo/dynamic-click-to-add
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    Re: Feelers for anyone using Sencha products

    I've yet to see any evidence that proprietary software has a better track-record of staying around than free software. At least with free software, you are able to DIY bug fixes/features if the...
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    Re: "Document.value" ERROR in IE11

    How is your <form> tag defined? Do you have both the id and name attributes for it?

    http://stackoverflow.com/questions/7436277/document-formname-is-undefined
  35. Thread: Really good read

    by tr333
    Replies
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    676

    Re: Really good read

    I think closures are definitely the most misunderstood part of JavaScript. Here's a few more explanations:

    http://nathansjslessons.appspot.com/...
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    Re: web/phone css page centering

    Have you tried using the viewport meta tag?

    https://developer.mozilla.org/en-US/docs/Mozilla/Mobile/Viewport_meta_tag
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    Re: Dropdown not asyncpostback in update panel?

    This should be moved to the ASP.NET forum.
  38. Re: Partial Postback loses my CSS changes done client side.

    I'm guessing this thread should be in the ASP.NET forum? Hopefully a mod can move it there.
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    Re: Problems with "size" of elements

    http://dochub.io/#css/position
    http://css-tricks.com/absolute-relative-fixed-positioining-how-do-they-differ/

    Absolute positioned elements are removed from the regular layout flow, and so can...
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    Re: Load MySql Data to JavaScript Array

    I would also suggest learning how to use the developer tools built in to each browser. You can view the error console to see JavaScript errors in your code. It will also show the results of...
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