JavaScript: how to control opening a file and saving it as a dialog box _ javascript skills

This article mainly introduces how to implement JavaScript control to open a file and save it as a dialog box. The example shows how to save a file in javascript, which is of great practical value, for more information about how to control the open file and save it as a dialog box, see the example in this article. Share it with you for your reference. The details are as follows:

Here, the "Save image as" dialog box is opened through JS, prompting the user to save the file.

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