How html sets select to be unchecked by default

This article is about how html sets select to be unchecked by default. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Setting method: 1, the first option tag in the select tag is set to be empty; 2, add the "display:none" style to the empty option tag, you can set select to be unchecked by default, and the syntax is "".

The operating environment of this tutorial: windows10 system, HTML5 version, Dell G3 computer.

By default, the select tag selects the first value as the default value, but we can also define the default value ourselves. However, our current requirement is that we do not want to select any default values, and there is a better way that does not affect appearance or user experience, as follows:

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Output result:

Set a style to the first option: display: none and set it to a null value to solve the problem

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