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Jquery method to remove spaces from input values: 1. Use the val() method to obtain the input value, the syntax is "$("input").val()"; 2. Use the trim() method to remove spaces, the syntax "$.trim(input value)".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
How jquery removes spaces from input values
Implementation:
You need to get the input first value, this requires the use of the val() method: $("input").val()
After obtaining the value, you can use trim() Method to remove spaces from values
Implementation code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="js/jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
var value=$("input").val();
$("input").val($.trim(value));
});
});
</script>
<style type="text/css">
.intro {
font-size: 120%;
color: red;
}
</style>
</head>
<body>
<input type="text" value=" hello "/><br><br>
<button>去除input值的空格</button>
</body>
</html>
Related video tutorial recommendations:jQuery tutorial (video)
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