Is there a feature or customizable tool that can visually highlight input elements when they have been changed? This could involve applying a distinguishing visual cue, such as an orange border, to any input that no longer contains its default value. To reset all inputs to their original state as "unmodified," a JavaScript function (triggered by clicking on the "Save Changes" button) could be utilized.
To automatically add a class to input elements when their values change, you can attach a "change" event listener to each input element.
(function() {
var inputs = document.querySelectorAll("input");
for (var i = 0; i < inputs.length; i++) {
var initialValue = inputs[i].value;
inputs[i].addEventListener("change", function() {
if (initialValue !== this.value) {
this.classList.add("changed");
} else {
this.classList.remove("changed");
}
});
}
})();.changed {
background-color: gold;
}<form>
<input type="text" value="Initial Value">
<input type="text" value="Initial Value">
<button type="submit">
Save Changes
</button>
</form>If you wish to highlight the changed inputs after form submission, you can use the "changed" class as a selector and add another class with the desired styling.
If you're looking to incorporate AngularJS into your project, consider the following example:
<!DOCTYPE html>
<html lang="en">
<style>
.red {
color:red;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<body>
<div ng-app="myApp" ng-controller="formCtrl">
<form novalidate>
First Name:<br>
<input ng-change="myFunc()" type="text" ng-model="user.firstName" id="change">
</form>
<p>The input field has changed {{count}} times.</p>
<p>form = {{user}}</p>
<p>master = {{master}}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('formCtrl', function($scope) {
$scope.master = {firstName:"John"};
$scope.reset = function() {
$scope.user = angular.copy($scope.master);
};
$scope.count = 0;
$scope.myFunc = function() {
$scope.count++;
document.getElementById("change").className += " red";
};
$scope.reset();
});
</script>
</body>
</html>
For a live demonstration of this code snippet, access the provided JSFiddle link:https://jsfiddle.net/jve3x6Lk/1/
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