vue.js uses element-ui, in which < el-input > how to prohibit the input of special characters such as! @-sharp$% ^ &?
vue.js uses element-ui, in which < el-input > how to prohibit the input of special characters such as! @-sharp$% ^ &?
watch needs data to disable special characters, and update the variable watch in $nextTick () . The template is still v-model binds the fields that need to be entered.
for example, username :
listens for input events and, if there are these characters, replace them with empty characters
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