HTML DOM OptionGroup label attribute
Examples
Change the label option group / description:
document.getElementById("myOptgroup").label="A Random Car Selection";
try it"
Definition and Usage
label property sets or returns the value of the label property option group.
label attribute specifies the label option group / description.
Browser Support
All major browsers support the label property.
grammar
Back label properties:
optiongroupObject .label
Set label properties:
optiongroupObject .label= text
Property Value
值 | 描述 |
---|---|
text | 规定选项组的标签/描述。 |
technical details
return value: | String representing the label option group. |
---|
More examples
Examples
Back Tab Options Group / Description:
var x = document.getElementById("myOptgroup").label;
document.getElementById("demo").innerHTML=x;
document.getElementById("demo").innerHTML=x;
x The output is:
Swedish Cars
try it"
related articles
HTML Reference Manual: HTML <optgroup> label attribute