1 why and how to trade binary options for beginners26 comments
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If non is selected, -1 is returned. If multiple options are selected, it returns the index of the first selected option. When setting this property, the OPTION at the given position will be selected while any previously selected option deselected. The following example alerts the index number of the selected option within a SELECT element when the user makes a selection:. Option 1 Option 2 Option 3. The new option to add, created using new Option. This parameter differs depending on the browser used: If null is entered, the new option is added at the very end.
In IE browsers including IE8 beta2 , an integer representing the position of the existing option to add the new option to ie: Leave this parameter out entirely to add the new option to the very end.
An integer that gets or sets the index of the selected option. The following example alerts the index number of the selected option within a SELECT element when the user makes a selection: A property available on all form elements, "type" returns the type of the calling form element. For SELECT, the two possible values are " select-one " or " select-multiple ", depending on the type of selection list.
Returns the index of this option within the select. Boolean that specifies whether this option is currently selected.