Can I have a two line text in an html select option? How?
No, browsers don't provide this formatting option.
You could probably fake it with some checkboxes with <label>s, and JS to turn it into a fly out menu.
I know this is an older post, but I'm leaving this for whomever else comes looking in the future.
You can't format line breaks into an option; however, you can use the title attibute to give a mouse-over tooltip to give the full info. Use a short descriptor in the option text and give the full skinny in the title.
<option value="1" title="This is my lengthy explanation of what this selection really means, so since you only see 1 on the drop down list you really know that you're opting to elect me as King of Willywarts! Always be sure to read the fine print!">1</option>
How about putting the long text in another <option> right below and disabling it? Might be a workaround for someone so posting here.
<select>
<option>My real option text</option>
<option disabled style="font-style:italic"> (...and my really really long option text that is basically a continuation of previous option)</option>
<option disabled style="font-style:italic"> (...and still continuing my previous option)</option>
<option>Another real option text</option>
</select>A bit of a hack, but this gives the effect of a multi-line select, puts in a gray bgcolor for your multi line, and if you select any of the gray text, it selects the first of the grouping. Kinda clever I'd say :) The first option also shows how you can put a title tag in for an option as well.
function SelectFirst(SelVal) {
var arrSelVal = SelVal.split(",")
if (arrSelVal.length > 1) {
Valuetoselect = arrSelVal[0];
document.getElementById("select1").value = Valuetoselect;
}
}<select name="select1" id="select1" onchange="SelectFirst(this.value)">
<option value="1" title="this is my long title for the yes option">Yes</option>
<option value="2">No</option>
<option value="2,1" style="background:#eeeeee"> This is my description for the no option</option>
<option value="2,2" style="background:#eeeeee"> This is line 2 for the no option</option>
<option value="3">Maybe</option>
<option value="3,1" style="background:#eeeeee"> This is my description for Maybe option</option>
<option value="3,2" style="background:#eeeeee"> This is line 2 for the Maybe option</option>
<option value="3,3" style="background:#eeeeee"> This is line 3 for the Maybe option</option>
</select>HTML Code
<section style="background-color:rgb(237.247.249);">
<h2>Test of select menu (SelectboxIt plugin)</h2>
<select name="select_this" id="testselectset">
<option value="01">Option 1</option>
<option value="02">Option 2</option>
<option value="03">Option 3</option>
<option value="04">Option 4</option>
<option value="05">Option 5</option>
<option value="06">Option 6</option>
<option value="07">Option 7 with a really, really long text line that we shall use in order to test the wrapping of text within an option or optgroup</option>
<option value="08">Option 8</option>
<option value="09">Option 9</option>
<option value="10">Option 10</option>
</select>
</section>
Javascript Code
$(function(){
$("#testselectset").selectBoxIt({
theme: "default",
defaultText: "Make a selection...",
autoWidth: false
});
});
CSS Code
.selectboxit-container .selectboxit, .selectboxit-container .selectboxit-options {
width: 400px; /* Width of the dropdown button */
border-radius:0;
max-height:100px;
}
.selectboxit-options .selectboxit-option .selectboxit-option-anchor {
white-space: normal;
min-height: 30px;
height: auto;
}
and you have to add some Jquery Library select Box Jquery CSS
Please check this link JsFiddle Link
Does not work fully (the hr line part) on all browsers, but here is the solution:
<select name="selector">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option disabled><hr></option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>Instead, maybe try replacing the select with markup, e.g.
// Wrap any selects that should be replaced
$('select.replace').wrap('<div class="select-replacement-wrapper"></div>');
// Replace placeholder text with select's initial value
$('.select-replacement-wrapper').each(function() {
$(this).prepend('<a>' + $('select option:selected', this).text() + '</a>');
});
// Update placeholder text with updated select value
$('select.replace').change(function(event) {
$(this).siblings('a').text( $('option:selected', this).text() );
});/* Position relative, so that we can overlay the hidden select */
.select-replacement-wrapper {
position: relative;
border: 3px solid red; /* to show area */
width: 33%;
margin: 0 auto;
}
/* Only shows if JS is enabled */
.select-replacement-wrapper a {
/* display: none; */
/* Notice that we've centered this text -
you can do whatever you want, mulitple lines wrap, etc,
since this is not a select element' */
text-align: center;
display: block;
border: 1px solid blue;
}
select.replace {
position: absolute;
width: 100%;
height: 100%;
top: 0;
border: 1px solid green;
opacity: 0;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<select id="dropdown" class="replace">
<option value="First">First</option>
<option value="Second" selected>Second, and this is a long line, just to show wrapping</option>
<option value="Third">Third</option>
</select>yes, by using css styles white-space: pre-wrap; in the .dropdown class of the bootstrap by overriding it. Earlier it is white-space: nowrap; so it makes the dropdown wrapped into one line. pre-wrap makes it as according to the width.
If you just want a line break in the dropdown list use this:
<option label="" value="" disabled=""> </option>
来源：https://stackoverflow.com/questions/2864238/line-break-in-html-select-option