I currently have this setup:
<input type="text" name="field1" onblur="numericField(this);" />
However, I am struggling to figure out how to execute the numericField() function for the element before the form is submitted. I attempted using
document.getElementById("Campo1").onblur()undefined. Does anyone know how I can accomplish this task?
It's important to avoid binding events in the way you're currently doing it. Instead, consider using element.addEventListener.
If your goal is to validate a form before submission, here's the correct approach:
document.querySelector("form").addEventListener("submit",function(){
// Validate your fields - use numericField() on both input fields
// If numericField returns true or false, the submit action will be cancelled if validation fails
return numericField(your_element);
});
To trigger a blur event on a specific element, you can use this code:
var el = document.querySelector("<select your element here>");
el.focus();
el.blur();
In HTML5, you can also perform direct validation of input fields on blur by correctly defining the type (e.g. number for Number inputs) and/or using the pattern attribute. This allows browsers to trigger intrinsic validation upon blur.
If you want to take action before submitting, consider creating a validation function for better clarity. For instance: using JQuery.
<form id="form">
...
</form>
Here is an example of jQuery code that can be used to perform actions before the form is submitted:
$(function() {
$('#form').submit(function() {
// DO STUFF
return true; // return false to cancel form action
});
});
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