$ jQuery snippets

jquery.js

//===========
jQuery.noConflict();
(function ($) {
   $(this).remove();
})(jQuery);
//===========



//===========
jQuery(document).ready(function() {

});
//===========




//===========
jQuery( ".link" ).click(function(e) {
  e.preventDefault();
});
//===========




//===========
var resizeTimer;

jQuery(window).on('resize', function(e) {

  clearTimeout(resizeTimer);
  resizeTimer = setTimeout(function() {

    // Run code here, resizing has "stopped"
    if(jQuery(window).width() < 492) {
    
    
    } else {
        

    }
  }, 250);

});

//===========




//===========
jQuery(el)
    .css({
        "height": jQuery(this).height(),
        "max-height": 9999
    })
    .animate({
        "height": totalHeight
    });
//===========




//===========
jQuery(document).ready(function($) {

    /* getting viewport width */
    var responsive_viewport = $(window).width();
    
    /* if is below 481px */
    if (responsive_viewport < 481) {
    
    } /* end smallest screen */
    
    /* if is larger than 481px */
    if (responsive_viewport > 481) {
        
    } /* end larger than 481px */
    
    /* if is above or equal to 768px */
    if (responsive_viewport >= 768) {
        
    }
    
    /* off the bat large screen actions */
    if (responsive_viewport > 1030) {
        
    }
    
});
//===========



//===========
function preload(arrayOfImages) {
    $(arrayOfImages).each(function(){
        $('<img/>')[0].src = this;
        // Alternatively you could use:
        // (new Image()).src = this;
    });
}

// Usage:
preload([
    'img/imageName.jpg',
    'img/anotherOne.jpg',
    'img/blahblahblah.jpg'
]);
//===========




//===========
var content = jQuery('.class').contents();
jQuery('.class').replaceWith(content);
//===========


//===========
jQuery(el).addClass('asdf');
jQuery(el).removeClass('asdf');
jQuery(el).toggleClass('asdf');
jQuery(el).click(function(){ });
jQuery(el).mouseenter(function(){ });
jQuery(el).mouseleave(function(){ });
jQuery(el).hover(function(){ });
jQuery(el).focus(function(){ }); 
jQuery(el).blur(function(){ });
jQuery(el).hide();
jQuery(el).show();
jQuery(el).toggle();
jQuery(el).text('asdf');
jQuery(el).html('asdf');
jQuery(el).val();
jQuery(el).attr();
jQuery(el).append('asdf');
jQuery(el).prepend('asdf');
jQuery(el).after();
jQuery(el).before();
jQuery(el).remove();
jQuery(el).empty();
//===========



//===========
jQuery(document).ready(function(){
    jQuery("button").click(function(){
        jQuery("#div1").load("demo_test.txt", function(responseTxt, statusTxt, xhr){
            if(statusTxt == "success")
                alert("External content loaded successfully!");
            if(statusTxt == "error")
                alert("Error: " + xhr.status + ": " + xhr.statusText);
        });
    });
});

<div id="div1"><h2>Let jQuery AJAX Change This Text</h2></div>
<button>Get External Content</button>
//===========



//===========
if (jQuery('#myElement').length > 0) { 
    /magento child block phtml 
<?php $this->getChild('stock_info')->setData("product", $_product); ?>
<?php echo $this->getChildHtml('stock_info', false) ?>

<?php echo $this->getChildHtml('child_view') ?>
/ it exists 
}
//===========