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Only one word on <input

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Last Modified: 2013-11-19
Hi I have a form on one of my pages for entering in information such as names etc

I have some code that will make sure the first letter is always capitalised and the rest lowercase.
What I want to do is expand upon this and use substr to remove everything after the first space.
So if a user goes to enter in the first name field "John Smith" you would only get John

Below is current code
<input onblur="this.value = this.value.substr(0, 1).toUpperCase() + this.value.substr(1).toLowerCase();" type="text" name="last_name" value="lastname" size="10">

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<input onblur="this.value = this.value.substr(0, 1).toUpperCase() + this.value.substr(1).toLowerCase(); this.value = this.value.split(' ')[0];" type="text" name="last_name" value="lastname" size="10">

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Commented:
Would something like this work for you?
<script type="text/javascript">
function func(a){
	a = a.substr(0, 1).toUpperCase() + a.substr(1).toLowerCase();	
	
	a = a.split(' ')
	
	document.getElementById('test').value = a[0];
}
</script>
 
 
<input onblur="func(this.value);" type="text" name="last_name" value="lastname" size="10" id="test">

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CERTIFIED EXPERT

Commented:
Try this also

<input onblur="this.value =this.value.substr(0, 1).toUpperCase() + this.value.substr(1).toLowerCase().substr(0,this.value.indexOf(' '));" type="text" name="last_name" value="lastname" size="10">

Author

Commented:
This works perfectly for what I was trying to achieve although the others have their merits this was first and easiest to implement
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