change alert message text color using javascript

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Am using the below script to change the color of the script but showing 'font color="red">Hello world /font> like this.Is any possible way to change the alert text color..

<html>
<head>
<title>JavaScript String fontcolor() Method</title>
</head>
<body>
<script type="text/javascript">

var str = new String("Hello world");

alert(str.fontcolor( "red" ));

</script>
</body>
</html>

No. alert() accepts a string and renders it using a native widget. There is no provision to style it.

How I can change alert message text color using JavaScript?, To change the text color of the alert message, use the following custom alert box. We're using JavaScript library, jQuery to achieve this and will� Javascript Web Development Front End Technology. You can try to run the following code to change the alert message text color. To change the text color of the alert message, use the following custom alert box. We’re using JavaScript library, jQuery to achieve this and will change the alert message text color to “#FCD116” −.

No. alert() accepts a string and renders it using a native widget. There is no provision to style it.

The closest you could get would be to modify the HTML document via the DOM to display the message instead of using an alert().

How to change the color of the alert box in JavaScript?, To change the color of the alert box, use the following custom alert box. text- align: center; width: 80px; cursor: pointer; } #confirm .message� To change the color of the alert box, use the following custom alert box. We’re using JavaScript library, jQuery to achieve this and will change the color of the alert box to “blue” − Example

You can use JQuery to resolve your Problem

<html>
<head>
<meta charset="utf-8" />
<title>JavaScript String fontcolor() Method</title>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-                  ui.css" />
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<link rel="stylesheet" href="/resources/demos/style.css" />
<script>
$(function() {
 $( "#dialog-message" ).dialog({
  modal: true,
  buttons: {
  Ok: function() {
   $( this ).dialog( "close" );
   } 
}});
});
</script>
</head>

<body>
 <div id="dialog-message" title="My Dialog Alternative">
 <p style='color:red'> Hello world </p>
 </div>
</body>
 </html>

JavaScript String fontcolor() Method, This method returns the string embedded in the <font> tag, like this: <font color=" colorvalue">string</font>. The <font> tag is not supported in HTML5. Use CSS� No. alert() accepts a string and renders it using a native widget. There is no provision to style it. The closest you could get would be to modify the HTML document via the DOM to display the message instead of using an alert() . How do you change the color of HTML? To change the color of the text and background of a web page, you need to

Hope this help :

<!doctype html>
<html>
<head>
<title>JavaScript String fontcolor() Method</title>
<style>
#alertoverlay{display: none;
    opacity: .8;
    position: fixed;
    top: 0px;
    left: 0px;
    background: #FFF;
    width: 100%;}

#alertbox{display: none;
    position: fixed;
    background: #000;
    border:7px dotted #12f200;
    border-radius:10px; 
    font-size:20px;}

#alertbox > div > #alertboxhead{background:#222; padding:10px;color:#FFF;}
#alertbox > div > #alertboxbody{ background:#111; padding:40px;color:red; } 
#alertbox > div > #alertboxfoot{ background: #111; padding:10px; text-align:right; }
</style><!-- remove padding for normal text alert -->

<script>
function CustomAlert(){
    this.on = function(alert){
        var winW = window.innerWidth;
        var winH = window.innerHeight;

        alertoverlay.style.display = "block";
        alertoverlay.style.height = window.innerHeight+"px";
        alertbox.style.left = (window.innerWidth/3.5)+"pt";
        alertbox.style.right = (window.innerWidth/3.5)+"pt"; // remove this if you don't want to have your alertbox to have a standard size but after you remove modify this line : alertbox.style.left=(window.inner.Width/4);
    alertbox.style.top = (window.innerHeight/10)+"pt";
        alertbox.style.display = "block";
        document.getElementById('alertboxhead').innerHTML = "JavaScript String fontcolor() Method :";
        document.getElementById('alertboxbody').innerHTML = alert;
        document.getElementById('alertboxfoot').innerHTML = '<button onclick="Alert.off()">OK</button>';
    }
    this.off = function(){
        document.getElementById('alertbox').style.display = "none";
        document.getElementById('alertoverlay').style.display = "none";
    }
}
var Alert = new CustomAlert();
</script>
</head>
<body bgcolor="black">
<div id="alertoverlay"></div>
<div id="alertbox">
  <div>
    <div id="alertboxhead"></div>
    <div id="alertboxbody"></div>
    <div id="alertboxfoot"></div>
  </div>
</div>
<script>Alert.on("Hello World!");</script>
</body>
</html>

The concept is taken from this : http://www.developphp.com/video/JavaScript/Custom-Alert-Box-Programming-Tutorial

Definition and Usage. The fontcolor() method is not standard, and may not work as expected in all browsers. The fontcolor() method is used to display a string in a specified color.

You won't be able to change the color with the built-in alert dialog. However, you can accomplish essentially the same thing with a modal dialog, which you will have complete control over the style with.

These were the different types of popup boxes. So, let’s get into the depth of the alert box and see how you can create an alert box in JavaScript. Alert in JavaScript. The alert() method in JavaScript displays an alert box with a specified message and an OK button. It is often used to make sure that information comes through to the user.

I think I amhaving trouble because I don't understand the terms. I need the background color on my text form field to change when text is entered in to the box. for example when i enter my initials i want it to change color to separate the complete items from the incomplete items on my list. The discussion above is so far over my head I'm lost.

Comments
  • No it is not possible, but you can use a custom alert box, made up of div
  • try modal message from Jquery UI , jqueryui.com/dialog/#modal
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