default
UK[dɪˈfɔ:lt] US[dɪˈfɔlt]
vi. Failure to perform tasks or responsibilities; failure to appear in court when summoned; failure to appear in court and lose the lawsuit; abstain
vt. Failure to perform, default; failure to participate or complete (for example, a competition); [Law] Lose (the lawsuit) due to failure to appear in court
n. Failure to perform, Default; [Law] failure to appear in court; abstention; [calculation] Default, default
Third person singular: defaults Present participle: defaulting Past tense: defaulted Past participle: defaulted
selected
英[sɪ'lektɪd] US[sɪ'lektɪd]
adj. By selection, selected
v. Select, select (select Past tense and past participle)
javascript defaultSelected attribute syntax
Function: Return the initial value of the selected attribute. Returns true if the default option is selected, fasle otherwise.
Syntax: optionObject.defaultSelected
javascript defaultSelected attribute example
<html>
<head>
<meta charset="utf-8">
<script type="text/javascript">
function alertDefaultSelected()
{
var x=document.getElementById("mySelect").selectedIndex;
var y=document.getElementsByTagName("option");
var txt= y[x].text + " 是默认的水果吗? ";
txt=txt + y[x].defaultSelected;
alert(txt);
}
</script>
</head>
<body>
<form>
选择你喜欢的水果:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option selected="selected">Pineapple</option>
<option>Banana</option>
</select>
<br />
<br />
<input type="button" onclick="alertDefaultSelected()"
value="选择的水果是否是默认的?">
</form>
</body>
</html>Run instance »
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