The zha to brothers according to the topic request

CodePudding user response:

<style>
# mybox {
Width: 100 px;
height: 100px;
border: 1px solid #ccc;
margin-top: 20px;
}
</style>

<script>
The function changeborder () {
Var id=document. GetElementById (' mybox ');
Id. Style. Border='1 px solid is red;
}
</script>

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