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jQuery gets and sets the value of the select drop-down box implementation code_jquery

WBOY
WBOYOriginal
2016-05-16 17:16:561084browse

Get Select:

Get selected text:

$("#ddlRegType").find("option:selected").text();


Get the value selected by select:

$("#ddlRegType ").val();


Get the selected index:

$("#ddlRegType ").get(0).selectedIndex;


Set select:

Set select selected index:

$("#ddlRegType ").get(0).selectedIndex=index;//index is the index value


Set select selected value:

$("#ddlRegType ").attr("value","Normal");

$("#ddlRegType ").val("Normal");

$("#ddlRegType ").get(0).value = value;


Set select selected text:

var count=$("#ddlRegType option").length;

for(var i=0;i { if($("#ddlRegType ").get(0).options[i].text == text)
{
                                                                                                           
$("#select_id option[text='jQuery']").attr("selected", true);


Set the select option:


$("#select_id").append(""); //Add an option $("#select_id").prepend(""); //Insert an option in front

$("#select_id option:last").remove(); //Delete the Option with the largest index value

$("#select_id option[index='0']").remove();//Delete the Option

with index value 0

$("#select_id option[value='3']").remove(); //Delete Option

with value 3

$("#select_id option[text='4']").remove(); //Delete the Option with TEXT value 4

Clear Select:

$("#ddlRegType ").empty();

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