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One more JavaScript code example to build an auto thousand-grouped number after the users finish to type. JavaScript source code looks good and very easy to use.

Label: thousand-grouped number, input field

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<script type="text/javascript">

// Created by: Pavel Donchev | http://chameleonbulgaria.com/
// This script downloaded from www.JavaScriptBank.com

function currency(which){
		currencyValue = which.value;
		currencyValue = currencyValue.replace(",", "");
		decimalPos = currencyValue.lastIndexOf(".");
		if (decimalPos != -1){
				decimalPos = decimalPos + 1;
		}
		if (decimalPos != -1){
				decimal = currencyValue.substring(decimalPos, currencyValue.length);
				if (decimal.length > 2){
						decimal = decimal.substring(0, 2);
				}
				if (decimal.length < 2){
						while(decimal.length < 2){
							 decimal += "0";
						}
				}
		}
		if (decimalPos != -1){
				fullPart = currencyValue.substring(0, decimalPos - 1);
		} else {
				fullPart = currencyValue;
				decimal = "00";
		}
		newStr = "";
		for(i=0; i < fullPart.length; i++){
				newStr = fullPart.substring(fullPart.length-i-1, fullPart.length - i) + newStr;
				if (((i+1) % 3 == 0) & ((i+1) > 0)){
						if ((i+1) < fullPart.length){
							 newStr = "," + newStr;
						}
				}
		}
		which.value = newStr + "." + decimal;
}

function normalize(which){
		alert("Normal");
		val = which.value;
		val = val.replace(",", "");
		which.value = val;
}

</script>

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$ <input type="text" name="currencyField1" onchange="currency(this);" />

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04/04/2011
Pavel Donchev [more]
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4.03 KBytes

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Auto Thousand-Grouped Number Input Fields

Label: thousand-grouped number, input field

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