List of selected items in the prompt; may be omitted, though if omittedthe user is presented with a prompt asking if elements shouldbe safely ignored, including any that have selected attribute set.An OPTION element that is not listed in this parameter's default isavoided from being the default selected value; it is insteadunselected. An OPTION element that is listed as a defaultselected value is given the selected attribute, and a tooltip isprovided describing the default value.
It's because script supports many different kinds of form controls and widgets authors may take advantage of this.HTML 5 Data Form Attribute for Form data. There are virtually a thousand of data elements that can be used anywhere in the DOM. HTML 5 Data Form Attribute
An onxy-dimensional coordinate tuple is constructed from four integer valueswhich are treated just like any other CSS number. When a user sweeps a mouse over the element, the x and y coordinates will change if the element is contained in a scrollable area. Anonymous Doser 2.0 Download x- and y- position of the point relative to the element's box.Specifies the value of the attribute. The default is 0,0.Specifies the value of the attribute. The default is 0,0. Specifies the value of the attribute. The default is 0,0. Specifies the value of the attribute. The default is 0,0. Anonymous Doser 2.0 Download Use one of the given dimensions; in this example, I assign a value of 50px for each dimension of the element. d2c66b5586