Is There a Jquery Autogrow Plugin for Text Fields

Is there a jQuery autogrow plugin for text fields?

Here's a plugin that'll do what you're after:

EDIT: I've fixed the plugin as per Mathias' comment. :)

See a demo here: http://jsfiddle.net/rRHzY

The plugin:

(function($){

    $.fn.autoGrowInput = function(o) {

        o = $.extend({
            maxWidth: 1000,
            minWidth: 0,
            comfortZone: 70
        }, o);

        this.filter('input:text').each(function(){

            var minWidth = o.minWidth || $(this).width(),
                val = '',
                input = $(this),
                testSubject = $('<tester/>').css({
                    position: 'absolute',
                    top: -9999,
                    left: -9999,
                    width: 'auto',
                    fontSize: input.css('fontSize'),
                    fontFamily: input.css('fontFamily'),
                    fontWeight: input.css('fontWeight'),
                    letterSpacing: input.css('letterSpacing'),
                    whiteSpace: 'nowrap'
                }),
                check = function() {

                    if (val === (val = input.val())) {return;}

                    // Enter new content into testSubject
                    var escaped = val.replace(/&/g, '&').replace(/\s/g,' ').replace(/</g, '<').replace(/>/g, '>');
                    testSubject.html(escaped);

                    // Calculate new width + whether to change
                    var testerWidth = testSubject.width(),
                        newWidth = (testerWidth + o.comfortZone) >= minWidth ? testerWidth + o.comfortZone : minWidth,
                        currentWidth = input.width(),
                        isValidWidthChange = (newWidth < currentWidth && newWidth >= minWidth)
                                             || (newWidth > minWidth && newWidth < o.maxWidth);

                    // Animate width
                    if (isValidWidthChange) {
                        input.width(newWidth);
                    }

                };

            testSubject.insertAfter(input);

            $(this).bind('keyup keydown blur update', check);

        });

        return this;

    };

})(jQuery);

JQuery TextArea AutoGrow Plugin

Why not use it??
http://plugins.jquery.com/project/autogrowtextarea

Or another updated version of this plugin here: https://github.com/ro31337/jquery.ns-autogrow

Auto expand a textarea using jQuery

I have tried lots and
this one is great. ^{Link is dead. Newer version is available here. See below for old version.}
You can try by pressing and hold enter key in textarea. Compare the effect with the other auto expanding textarea plugin....

edit based on comment

$(function() {
   $('#txtMeetingAgenda').autogrow();
});

note: you should include the needed js files...

To prevent the scrollbar in the textarea from flashing on & off during expansion/contraction, you can set the overflow to hidden as well:

$('#textMeetingAgenda').css('overflow', 'hidden').autogrow()

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Update:

The link above is broken. But you can still get the javascript files here.

auto set size of textbox on page load to its contents

Yes, you can do it with

$("input").each(function(){
    var myLength = $(this).val().length;
    if(myLength == 1){
        $(this).attr('size', myLength);
        $(this).attr('class', 'mini');
    }else{
        $(this).attr('size', myLength);    
    }

});

and a css class:

.mini{
    width:10px;
}

Example on fiddle.

Hope it helps!

jQuery - Textarea auto grow plugin cross-browser compatible

jQuery expandable -

A jQuery plugin that auto-expands textareas to fit the contents as a user types

It is another great textarea auto growing plugin written on same line of approach as @Lashae has published, but with few extra features, like animation.

jQuery - auto size text input (not textarea!)

Here's a plugin that'll do what you're after:

The plugin:

(function($){

$.fn.autoGrowInput = function(o) {

    o = $.extend({
        maxWidth: 1000,
        minWidth: 0,
        comfortZone: 70
    }, o);

    this.filter('input:text').each(function(){

        var minWidth = o.minWidth || $(this).width(),
            val = '',
            input = $(this),
            testSubject = $('<tester/>').css({
                position: 'absolute',
                top: -9999,
                left: -9999,
                width: 'auto',
                fontSize: input.css('fontSize'),
                fontFamily: input.css('fontFamily'),
                fontWeight: input.css('fontWeight'),
                letterSpacing: input.css('letterSpacing'),
                whiteSpace: 'nowrap'
            }),
            check = function() {

                if (val === (val = input.val())) {return;}

                // Enter new content into testSubject
                var escaped = val.replace(/&/g, '&').replace(/\s/g,' ').replace(/</g, '<').replace(/>/g, '>');
                testSubject.html(escaped);

                // Calculate new width + whether to change
                var testerWidth = testSubject.width(),
                    newWidth = (testerWidth + o.comfortZone) >= minWidth ? testerWidth + o.comfortZone : minWidth,
                    currentWidth = input.width(),
                    isValidWidthChange = (newWidth < currentWidth && newWidth >= minWidth)
                                         || (newWidth > minWidth && newWidth < o.maxWidth);

                // Animate width
                if (isValidWidthChange) {
                    input.width(newWidth);
                }

            };

        testSubject.insertAfter(input);

        $(this).bind('keyup keydown blur update', check);

    });

    return this;

};

})(jQuery);

EDIT: Found on: Is there a jQuery autogrow plugin for text fields?

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