[英]jQuery Chose plugin how to remove selected item from drop down
也许这会帮助你
http://jsfiddle.net/s9r73qjm/
//an array to save selections
var selectedVals = [];
//push to the array when we have selected
selectedVals.push(selectedValue);
//check on the values when building the drop down
$( "#btn_newrow" ).click(function() {
var newList = document.createElement("select");
newList.dataset.placeholder = "Number row 3";
newList.style.width = "350px";
var newListData = new Option("placeholder", "placeholder");
for (var i = 0; i < 6; i++){
if (selectedVals.indexOf(i.toString()) == -1){
//then it hasn't been selected
newListData = new Option(i.toString(), i.toString());
newList.appendChild(newListData);
}
$( ".wrapper" ).append(newList);
}
});
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