Use of JS based on ajax operation information-JS Tutorial-php.cn

This time I will bring you the use of JS based on ajax operation information. What are theprecautionsfor JS based on ajax operation information. The following is a practical case, let's take a look.

The example of this article describes theJavaScriptmethod of editing information based on ajax. Share it with everyone for your reference. The details are as follows:

// Requires prototype.js function edit(action, obj) { Element.hide(obj); var textarea =''; var button = ' 
'; new Insertion.After(obj, textarea+button); Event.observe(obj.id+'_save', 'click', function(){saveChanges(action, obj)}, false); Event.observe(obj.id+'_cancel', 'click', function(){cleanUp(obj)}, false); $(obj.id+"_edit").focus(); $(obj.id+"_edit").select(); } function cleanUp(obj, keepEditable) { Element.remove(obj.id+'_editor'); Element.show(obj); if(!keepEditable) showAsEditable(obj, true); } function saveChanges(action, obj) { var new_content = escape($F(obj.id+'_edit')); obj.innerHTML = "Saving..."; cleanUp(obj, true); var success = function(t){editComplete(t, obj);} var failure = function(t){editFailed(t, obj);} var url = 'poll-ajax.php?a='+action; var pars = 'id=' + obj.id + '&content=' + new_content; var myAjax = new Ajax.Request(url, {method:'post', postBody:pars, onSuccess:success, onFailure:failure}); } function editComplete(t, obj) { obj.innerHTML = t.responseText; showAsEditable(obj, true); } function editFailed(t, obj) { obj.innerHTML = 'Sorry, the update failed.'; cleanUp(obj); }

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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!