diff options
Diffstat (limited to 'js/util.js')
-rw-r--r-- | js/util.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/js/util.js b/js/util.js index 7ecc2a3d8..6d1f88938 100644 --- a/js/util.js +++ b/js/util.js @@ -230,6 +230,27 @@ function bz_selectedOptions(aSelect) { } /** + * Returns all Option elements that have the "selected" attribute, as an array. + * Returns an empty array if nothing is selected. + * + * @param aSelect The select you want the pre-selected values of. + */ +function bz_preselectedOptions(aSelect) { + var options = aSelect.options; + var selected = new Array(); + for (var i = 0, l = options.length; i < l; i++) { + var attributes = options[i].attributes; + for (var j = 0, m = attributes.length; j < m; j++) { + if (attributes[j].name == 'selected') { + if (!aSelect.multiple) return options[i]; + selected.push(options[i]); + } + } + } + return selected; +} + +/** * Tells you where (what index) in a <select> a particular option is. * Returns -1 if the value is not in the <select> * |