JavaScript monitors the median value of input in real time
https://blog.csdn.net/belusoi/article/details/123477929
Modify the front-end form require required field prompt information
https://blog.csdn.net/lxp199741/article/details/125457836
Detailed explanation of layui lay-verify form custom verification rules
https://jiuaidu.com/jianzhan/524623/
Listen to the radio change event of the radio button under layui
https://www.jianshu.com/p/4b37d539e4f3
JS dynamically modifies the required attribute of the INPUT tag
https://blog.csdn.net/qq_33317238/article/details/123180739
Talking about listening to the radio change event of the radio button
https://www.nhooo.com/note/qa33mh.html
https://www.jianshu.com/p/4b37d539e4f3---Available
The required field can also be used as a content prompt, but when the Android browser defaults to English, the
solution to the English problem is to set the current page to be selected by default in the input tag oninvalid="setCustomValidity(tr('TR_NET_FILL_IN_FIELD'))" language
If you add, "setCustomValidity(tr('TR_NET_FILL_IN_FIELD'))" will appear, click to submit and then remind you the second time,
JavaScript controls the required attribute value of the input input box
https://blog.csdn.net/qq_42346414/article/details/110952991
JS dynamically modifies the required attribute of the INPUT tag
https://blog.csdn.net/qq_33317238/article/details/123180739
js example of getting radio button value
https://my.oschina.net/softsky/blog/153482