Translation Notice
This article was machine-translated using DeepSeek-R1.

• Original Version: Authored in Chinese by myself
• Accuracy Advisory: Potential discrepancies may exist between translations
• Precedence: The Chinese text shall prevail in case of ambiguity
• Feedback: Technical suggestions regarding translation quality are welcomed

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wx.showToast({
    title: 'Success',
    icon: 'fail',
    duration: 2000,
    success: func
})

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wx.showToast({
    title: 'Success',
    icon: 'fail',
    duration: 2000,
    success: res => {
        func()
    }
})

Why do both code snippets execute func “immediately”?

Because the success callback is called as soon as the toast is successfully displayed. To execute func after duration milliseconds, use:

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wx.showToast({
    title: 'Success',
    icon: 'fail',
    duration: 2000,
})
setTimeout(func, 2000)