![24 Powerful HTML Attributes Every Senior Web Engineer Should Master! | by Xiuer Old | JavaScript in Plain English 24 Powerful HTML Attributes Every Senior Web Engineer Should Master! | by Xiuer Old | JavaScript in Plain English](https://miro.medium.com/v2/resize:fit:1400/1*h5-pGdszGMaGv5ylSPLd1A.png)
24 Powerful HTML Attributes Every Senior Web Engineer Should Master! | by Xiuer Old | JavaScript in Plain English
When a single file extension is given (<input type="file" accept=".txt" />), the format description in the open file dialog is empty. · Issue #12956 · electron/electron · GitHub
![html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow](https://i.stack.imgur.com/vDlou.png)
html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow
When a single file extension is given (<input type="file" accept=".txt" />), the format description in the open file dialog is empty. · Issue #12956 · electron/electron · GitHub
![Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub](https://user-images.githubusercontent.com/495429/49168712-64396000-f338-11e8-96a5-a5d166427a6c.png)
Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub
![html - How to make input type= file Should accept only .xlsx and filename contain substring - Stack Overflow html - How to make input type= file Should accept only .xlsx and filename contain substring - Stack Overflow](https://i.stack.imgur.com/WHMQy.png)