HTML DOM Checkbox value property
Checkbox objects Definition and Usage
value property sets or returns the value of the property value checkbox.
value the property value check box is not displayed in the user interface. value attribute for form data submitted (only selected check box will pass data to the server, if nothing is selected check box is not passing data).
grammar
Set the value property:
checkboxObject.value="value"
Returns the value property:
checkboxObject.value
Browser Support
All major browsers support attribute value
Examples
Examples
Display the value of the check box associated with:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("bike").value;
alert(x);
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="bike" value="Bike"> 我有一辆自行车 <br>
</form>
<button type="button" onclick="displayResult()">显示value值</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("bike").value;
alert(x);
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="bike" value="Bike"> 我有一辆自行车 <br>
</form>
<button type="button" onclick="displayResult()">显示value值</button>
</body>
</html>
try it"
Checkbox objects