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Clear HTML Form Field on Entry

/ Published in: JavaScript
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Clear a field on entry if the default text matches a supplied value. Generic to any field.

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Copy this code and paste it in your HTML 
  1. function activate_field(field,txt)  
  2.  {
  3. 	if (field.value === txt) {
  4. 		field.value = "";
  5. 	}
  6. 	else { $(field).select(); }
  7.  }
  8.  
  9. /*
  10.  * call with an onfocus event
  11.  * example: 
  12.  * <input type="text" onfocus="activate_field(this,\'City\')" 
  13.  *   id="city" name="city" value="City" />'
  14.  */

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