Introduction: JavaScript is the backbone of modern web development, offering dynamic and interactive experiences to users. However, with its flexibility comes a set of common issues that developers often face. In this article, we’ll explore some of the most prevalent JavaScript issues encountered in web development and provide practical solutions with sample code snippets to […]
Continue Reading →Mouse event types Simple events Followings are the simplest mouse events: mousedown This is triggered when a mouse button is pressed down over an element mouseup This is triggered when a mouse button is released over an element mouseover This is triggered when the mouse comes over an element mouseout This is triggered when the […]
Continue Reading →You can use the for-in loop as shown below. However, you also want to make sure that the key you get is an actual property of an object, and doesn’t come from the prototype: for (var key in p) { if (p.hasOwnProperty(key)) { alert(key + ” -> ” + p[key]); } }
Continue Reading →Think if you want to pass parameters to setTimeout function of javascript. Then, there are 2 common ways to do it. Following one is the most preferred way. Here, yourfunction() is the function which you want to call and the para1, para2, paraN are the parameters which you want to call. setTimeout(function(){ yourfunction(para1, para2, paraN); […]
Continue Reading →Think you want to get checkboxes value which are checked using jquery. You can use following code to do that. $(‘input:checkbox:checked’).each(function(index){ alert($(this).val()); }); or else you want to get the array of the checked checkbox value. Then use following code. var data = $(‘input:checkbox:checked’).map(function(){ return this.value; }).get(); //this will give array like this. [’19’, ’20’]
Continue Reading →There are few ways to reload the page using javascript. window.location.reload(); history.go(0); window.location.href=window.location.href; // will do nothing if your URL has a #/hashbang on the end learnhow2do.com/test#blah window.location = window.location.pathname; //Some of the browsers like Firefox opens ConfirmBox for resend.If you reload after post request.
Continue Reading →When open a jQuyery UI dialog and can scroll the browser and the dialog would change it’s position relative to the browser window, And if you want to make it stay in the same position relative to the browser, use the following css & javascript. .dialogFixed { position: fixed !important; } $(function() { $( “#dialog” […]
Continue Reading →You can trigger anchor tag click event using jquery as follows. <a href=”javascript:void(0)” class=”anchor_tag” id=”users_id”>add as a friend</a> on javascript(jquery) $(‘.anchor_tag’).live(“click”,function(){ var users_id = $(this).attr(“id”); //post code })
Continue Reading →You can use Google Hosted (content distribution network – CDN) open-source JavaScript libraries for your application which are stable, reliable, high-speed and globally available access. To load a hosted library, copy and paste the HTML snippet for that library (shown below) in your web page. The following section lists all of the libraries currently hosted. […]
Continue Reading →The match() method searches a string for a match against a regular expression, and returns the matches, as an Array object. Note: If the regular expression does not include the g modifier (to perform a global search), the match() method will return only the first match in the string. This method returns null if no […]
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