form Counting and Limiting using Javascript

Baca Juga

Tutorial Details

• Judul: form Counting and Limiting using Javascript
• Difficulty: Beginner
• Platform: Javascript
• Bahasa Scripth: Javascript
• Software : Notepad++
• Estimated Completion Time: 15 minutes
• Created:Ricko Nada (Pustaka Flash)

live demo :

Characters Remaining

Scripth yang digunakan :

javascript

<script language="javascript" type="text/javascript"> 
var maxAmount = 250;
function textCounter(textField, showCountField) {
    if (textField.value.length > maxAmount) {
        textField.value = textField.value.substring(0, maxAmount);
} else { 
        showCountField.value = maxAmount - textField.value.length;
}
}
</script>

HTML

<form>
<textarea name="ta" rows="6" style="width:340px;" onKeyDown="textCounter(this.form.ta,this.form.countDisplay);" onKeyUp="textCounter(this.form.ta,this.form.countDisplay);"></textarea>
<br>
<input readonly type="text" name="countDisplay" size="3" maxlength="3" value="250"> Characters Remaining
</form>

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