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Javascript Articles
Page 437 of 534
How to set the space between characters in a text with JavaScript?
To set the space between characters, use the JavaScript letterSpacing property.ExampleYou can try to run the following code to set the space between characters in a text with JavaScript −Live Demo Heading 1 This is Demo Text. Set Space between characters function display() { document.getElementById("myID").style.letterSpacing = "7px"; }
Read MoreHow to deal with Internet Explorer and addEventListener problem "Object doesn't support this property or method" in JavaScript?
To deal with “Object doesn’t support this property or method” issue in JavaScript, while using events and Internet Explorer, update your code with this −Example ... You can also use attachEvent in IE to solve this issue like this −if (ev.addEventListener) { ev.addEventListener('click', myText, false); } else if (ev.attachEvent) { ev.attachEvent('onclick', myText); }
Read MoreHow to set height equal to the dynamic width (CSS fluid layout) in JavaScript?
To set height equal to the dynamic width in JavaScript, you can try to run the following code −Example .wrap { width:400px; height:300px; border:2px solid yellow; } .myChild{ width: 80%; border:1px solid red; } var res = $('.myChild').width(); $('.myChild').css({ 'height': res + 'px' });
Read MoreHow to set listStyleImage, listStylePosition, and listStyleType in one declaration with JavaScript?
To set the list properties in a single declaration, use the listStyle property in JavaScript.ExampleYou can try to run the following code to set the listStylePosition and listStyleType property in one declaration with JavaScript −Live Demo One Two Change style function display() { document.getElementById("myID").style.listStyle = "circle outside"; }
Read MoreHow to set the minimum number of lines for an element that must be visible at the top of a page in JavaScript?
Use the orphans property in JavaScript to set the minimum number of lines for an element that must be visible at the top of a page. You can try to run the following code to learn how to implement orphans property −document.getElementById("p").style.orphansThis is how you can return the orphans property −var res = object.style.orphans;This is how to set the orphans property −object.style.orphans='number|initial|inherit'
Read MoreHow to use JavaScript Object.defineProperty?
If you want to define a new or modify a property on an object, then use the Object.defineProperty in JavaScript. Use the property like the following −Object.defineProperty(obj, prop, descriptor)The following are the parameters −obj – Property is defined on this object. prop – Name of the property descriptor − The descriptor for the propertyExampleYou can try to run the following code to learn how to implement Object.defineProperty in JavaScript − const obj = {}; Object.defineProperty(obj, 'prop', { value: 20, writable: false }); obj.prop = 10; document.write(obj.prop);
Read MoreHow to set the alignment between the items inside a flexible container when the items do not use all available space with JavaScript?
Use the alignContent property in JavaScript to set the alignment between the items inside a flexible container.ExampleYou can try to run the following code to implement alignContent property in JavaScript − #box { border: 1px solid #000000; width: 240px; height: 150px; flex-flow: row wrap; align-content: space-around; display: flex; } #box div { height: 80px; width: 80px; } DIV1 DIV2 DIV3 Set function display() { document.getElementById("box").style.alignContent = "space-between"; }
Read MoreHow to inject JavaScript in WebBrowser control?
To inject JavaScript in WebBrowser control, use the following steps − Firstly, create a Windows Forms application in Visual Studio. Now, drag a WebBrowser control to the form Set the Url property. Right-click the project, choose to Add reference... → COM → Type Libraries Select "Microsoft HTML Object Library" Add the following code to inject JavaScript.private void myWebBrowser(object sender, WebBrowserDocumentCompletedEventArgs e){ // head element HtmlElement hElement = weBrowser.Document.GetElementsByTagName("head")[0]; // script element HtmlElement sElement = weBrowser.Document.CreateElement("script"); IHTMLScriptElement val = (IHTMLScriptElement)sElement.DomElement; element.text = "function sayHello() { alert('Weclome') }"; hElement.AppendChild(sElement); weBrowser.Document.InvokeScript("How you doing?"); }
Read MoreHow do I clear the usage of setInterval()?
The setInterval() method is used evaluate an expression at specified intervals. This function calls function after every duration milliseconds. This goes for unlimited times. Let’s see an example −It triggers alert(‘Hello’) after every 2000 milliseconds, not only once.setInterval(function() { alert('Hello');}, 2000);To clear the usage of setInterval(), use the window.clearInterval() and set the parameter as the ID, likewindow.setInterval();
Read MoreDoes use of anonymous functions affect performance?
The usage of anonymous functions affect performance is the sense, you need to create a new function object at each iteration. Anonymous functions are always loaded using a variable name. Anonymous, as the name suggests, allows creating a function without any names identifier. It can be used as an argument to other functions. Call them using a variable name −ExampleThis is how JavaScript anonymous functions can be used −var func = function() { alert(‘This is anonymous'); } func();Here’s an example −//anonymous function var a = function() { return 5; }
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