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Using jquery to match a positive floating point number

Source: Internet
Author: User
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<! DOCTYPE html>

<meta charset= "Utf-8" >

<meta http-equiv= "x-ua-compatible" content= "ie=edge,chrome=1" >

<title>Examples</title>

<meta name= "description" content= "" >

<meta name= "keywords" content= "" >

<link href= "" rel= "stylesheet" >

<script type= "Text/javascript" src= "Js/jquery-1.11.1.min.js" ></script>

<body>

<input type= "text" class= "Text3-2-text" >

<input type= "Submit" class= "Text3-2-submit" >

</body>

<script>

var tes = $ (". Text3-2-text");

var btn = $ (". Text3-2-submit");

Btn.click (function () {

var input = parsefloat (Tes.val ());

Tes.val (input);

Console.log (input);

var te =/^[0-9]+ (\.[ 0-9]+)? $/;

if (!te.test (input)) {

Tes.val (")

};

});

Tes.keyup (function (e) {

var bb = Tes.val ();

var len = bb.length;

var leng = bb.replace (/\./g, "). Length;

if (Len-leng = = 2) {

Tes.val (")

};

var te =/^[0-9]+ (\.[ 0-9]+)? $/;

if (E.keycode = = ' "| | e.keycode = = ' 190 ') {


}

else{

if (!te.test (Tes.val ())) {

Tes.val (")

};

};

});

</script>


This article is from the IT technology blog, so be sure to keep this source http://linuxubuntu.blog.51cto.com/4964714/1725993

Using jquery to match a positive floating point number

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Related Keywords:
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