setValue

sets a new value for the component

void setValue(string value, [any config] );

value	string	a new value for the control
config	any	operation config

Example

webix.ui({
    view:"form", 
    elements:[
        { view:"button", id:"b1", value:"Edit", css:"webix_primary" },
        { view:"button", id:"b2", value:"Back", css:"webix_primary" }
    ]
});
 
$$("b1").setValue("Save");
$$("b2").setValue("Cancel");

Details

The second parameter can be of any type (from a string to an object). config will be passed to the onChange event as the last parameter.