Wijmo UI for the Web
placeholder Option
wijmo.input.wijinputmask Namespace > options type : placeholder Option

Determines the text displayed when the widget is blank and contains no initial text.

Syntax
$(function () {
    
    // Get value
    var returnsValue; // Type:  string
    returnsValue = $(".selector").wijinputmask("option", "placeholder");
    
    // Set value
    var newValue; // Type:  string
    $(".selector").wijinputmask("option", "placeholder", newValue);
        
});
var placeholder : string;
Remarks
when the option's value is empty, the empty value will display, when the value is null, then the placeholder will not show.
See Also

Reference

options type
wijinputmask jQuery Widget