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9.3

Object doesnt support this property or method - jQuery Javascript Error in IE7

Asked by dwaynecharrington in Jquery, JavaScript Frameworks

Tags: jQuery, Javascript, Internet Explorer 7, IE7

I am getting a couple of Javascript errors in IE7 relating to a custom jQuery plugin that I wrote. The plugin works fine, but the Javascript error is annoying and needs to be dealt with.

The errors are:

"Object doesnt support this property or method" - When trying to call the custom plugin by: $("#q").dwaynefield(); The element with the ID of Q is a text field.

"Expected identifier, string or number" - Line 55 of my custom plugin which is ' $(field).attr({class: "blurField"});'

If anyone has a solution to this problem, I'd appreciate it. I've pasted the plugin code below.

If parts of my plugin need to be rewritten in your opinion, I'm all ears. As long as I can deal with this issue sometime soon, I'd be very grateful. 
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(function($) {
    
    // Function name: Dwaynefield
    $.fn.dwaynefield = function(options) {
        
        // Options array
        // Default swap type is text, but can also be class.
        // Text means text values are only swapped
        // Class means that classes are swapped
        var options = $.extend( {swap: 'text'}, options);
    
        this.each(function() {
            
            var field        = $(this);
            var defaultValue = field.val();
            var currentClass = field.attr('class');
            
            switch(options.swap) {
            
                case 'text':
                    $(field).focus( function () {
                        
                        if(this.value == defaultValue) {
                            this.value = '';
                        }
                        
                        if(this.value == defaultValue) {
                            this.value = '';
                        }
                        
                    });       
            
                    $(field).blur( function () {
                    
                        if(this.value == "") {
                            this.value = defaultValue;
                        }
                        
                    });
                break;
                
                case 'class':
                    
                    $(field).focus( function () {
                    
                        if($(field).attr("class") == currentClass) {
                            $(field).attr({class: "blurField"});
                        }
                        
                    });   
 
                    $(field).blur( function () {
                    
                        if($(field).attr("class") != currentClass && field.value == "") {
                            $(field).attr({class: currentClass});
                        }
                        
                    });                         
                break;
                
            }
        
        });
    
        // allow jQuery chaining
        return this;
    
    };
 
})(jQuery);
[+][-]09/13/09 11:02 PM, ID: 25323120Accepted Solution

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About this solution

Zones: Jquery, JavaScript Frameworks
Tags: jQuery, Javascript, Internet Explorer 7, IE7
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Solution Provided By: hielo
Participating Experts: 1
Solution Grade: A
 
 
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