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Js determines the size and size of the file to be uploaded in the file text field

Source: Internet
Author: User
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Paste the following content to notepad, change the suffix to html to run ################################## ################ & lt; inputname & quot; txtImg & quot; type & quot; file & quot; id & quot; txtImg & quot;/& gt; & lt; input and paste directly to notepad, change the suffix to html to run ################################## ################ (Optimal image size: no more than 600 pixels in width and no more than 600 pixels in height)

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