I have a form and I'm looking to send hidden input using JavaScript. How can this be achieved? Example:
<input id="total" type="hidden" value="" name="total" />
When the submit button is clicked, I would like to set its value.
I have a form and I'm looking to send hidden input using JavaScript. How can this be achieved? Example:
<input id="total" type="hidden" value="" name="total" />
When the submit button is clicked, I would like to set its value.
Are you attempting to dynamically update the value of a hidden input? Achieving this can be done using the onsubmit event handler.
var submitBtn = document.getElementById("submit");
var hiddenInput = document.getElementById("hidden");
var addEventListener = function(element, eventType, listener) {
if (element.addEventListener) {
element.addEventListener(eventType, listener, false);
} else if (element.attachEvent) {
element.attachEvent("on"+eventType, listener);
} else {
element['on'+eventType] = listener;
}
};
var onSubmitHandler = function() {
var newValue = "new value for the hidden input";
hiddenInput.value = newValue;
};
addEventListener(submitBtn, "submit", onSubmitHandler);
The provided code snippet will monitor the submission event on the button and update the hidden input's value accordingly. For a more detailed explanation, please provide additional context in your inquiry. Otherwise, it's challenging to determine the specific assistance required.
Here are some suggestions for you to consider:
document.getElementById("result").textContent = "new text content";
document.formId.reset();
If you need to generate a unique identifier for database entry or create a session id, it's best to utilize PHP or Perl instead of JavaScript. As a beginner myself, I encountered a similar situation and found that PHP was the most effective solution. I used JavaScript for data validation before passing it onto PHP for processing. While JavaScript excels at checking data presence and content in forms, it lacks the robust security features of PHP.
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