WebVeteran / CFup

A file upload progress indicator written in ColdFusion and Ajax (no Flash or Java) — Read more

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NO support for IE
1 comment Created 6 months ago by jasch

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I downloaded the code, and it seems to be working great on most browsers. Except Explorer. I tried v6, v7 and v8, and somehow the script hangs on 'Reading file size from server'. I tried latest RC of Prototype, which supposedly is IE8 compatible, and still not go (still it would not explain why it didn't work on IE6 and IE7).
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I downloaded the code, and it seems to be working great on most browsers. Except Explorer.

I tried v6, v7 and v8, and somehow the script hangs on 'Reading file size from server'.

I tried latest RC of Prototype, which supposedly is IE8 compatible, and still not go (still it would not explain why it didn't work on IE6 and IE7).

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WebVeteran Wed Jul 01 07:44:24 -0700 2009 | link

I have not tried it on IE yet. But I'm sure others must have... I'll look into it.

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I have not tried it on IE yet. But I'm sure others must have... I'll look into it.
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3 comments Created 6 months ago by jasch

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Would it be possible to have the JS not poll my server with 100 ajax requests a minute? hehe. Perhaps some kind of delay can be put on the JS, so the actually ajax polling could be done once every second or something like that.
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Would it be possible to have the JS not poll my server with 100 ajax requests a minute? hehe.

Perhaps some kind of delay can be put on the JS, so the actually ajax polling could be done once every second or something like that.

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WebVeteran Wed Jul 01 07:43:41 -0700 2009 | link

Polling is necessary to get the uploaded file size in near real time. But perhaps a throttle setting would be a nice addition.

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Polling is necessary to get the uploaded file size in near real time. But perhaps a throttle setting would be a nice addition.
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jasch Wed Jul 01 08:33:18 -0700 2009 | link

I understand. I am just trying to avoid getting hammered with so many request, sometimes about 10 per second. One every second or two, could still be near real-time and be healthier for the web server.

As far as I understand, there's really no "pause" command on Javascript, so a trick would need to be used to cause the script to pause a while between ajax requests.

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I understand. I am just trying to avoid getting hammered with so many request, sometimes about 10 per second. One every second or two, could still be near real-time and be healthier for the web server. As far as I understand, there's really no "pause" command on Javascript, so a trick would need to be used to cause the script to pause a while between ajax requests.
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WebVeteran Wed Jul 01 08:39:11 -0700 2009 | link

There is a pause built in. It's two-part.

1) after the previous ajax call is returned, the counter animates (lasts .2s)
2) after the animation, the next call is done ( in essence, a .2s timer)

That 0.2s should be a setting instead of hard-coded. Then, you'd be able to have a 1s timer instead.

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There is a pause built in. It's two-part. 1) after the previous ajax call is returned, the counter animates (lasts .2s) 2) after the animation, the next call is done ( in essence, a .2s timer) That 0.2s should be a setting instead of hard-coded. Then, you'd be able to have a 1s timer instead.
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