Javascript clears the value of an element in the form.

Source: Internet
Author: User

The following uses case type = "text" as an example:
Copy codeThe Code is as follows:
<Form id = "form1" method = "post">
<Input type = "text"/>
<Input type = "text"/>
<Input type = "button" value = "clear" onclick = "Refresh ()"/>
</Form>

By calling the Refresh method of js
Method 1
Copy codeThe Code is as follows:
Function Refresh ()
{
Var v = document. forms [0]. elements;
For (var I = 0; I <v. length; I ++)
{
If (v [I]. type = "text ")
{
V [I]. value = "";
}
}

}

Or method 2
Copy codeThe Code is as follows:
Function Refresh ()
{
Var v = document. getElementsByTagName ("input ");
For (var I = 0; I <v. length; I ++)
{
If (v [I]. type = "text ")
{
V [I]. value = "";
}
}
}

Call the refresh function to clear the value of an element.

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