Javascript Articles - Page 515 of 607

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";          }          

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'

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);          

Use the left property to set the left position of a positioned element, such as a button.ExampleYou can try to run the following code to set the left position of a positioned element with JavaScript −Live Demo                    #myID {             position: absolute;          }                     Heading 1       This is Demo Text.       Change Left Position                function display() {             document.getElementById("myID").style.left = "150px";          }          

Use the orphans property in JavaScript to set the minimum number of lines for an element that should be left at the bottom of a page when a page break occurs inside an element with JavaScript.You can return the orphans property like this −var res = object.style.orphansSet the orphans property like this −object.style.orphans = 'number|initial|inherit'The following are the property values shown above −number − Specify the minimum number of visible lines.Initial − Set property to its defaultInherit − Inherits property from the parent element

Use the pageBreakBefore property in JavaScript to set the page-break behavior before an element. Use the always property to insert a page break before an element.Note − The changes would be visible while printing or viewing the print preview.ExampleYou can try to run the following code to return the page-break behavior before an element with JavaScript −           Heading 1       This is demo text.       This is demo text.       This if footer text.       Set page-break                      function display() {             document.getElementById("myFooter").style.pageBreakBefore = "always";          }          

To align the element horizontally, use the cssFloat property.ExampleYou can try to run the following code to set the horizontal alignment of an element with JavaScript −Live Demo                 This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text. This is Demo Text.             Align Horizontally                function display() {             document.getElementById("myID").style.cssFloat = "right";          }          

Use the pageBreakInside property in JavaScript to set the page-break behavior inside an element. Use the auto property to insert page break inside an element. Use auto or avoid property value to automatically insert page break inside an element, if needed, or avoid a page break, respectively.Note − The changes would be visible while printing or viewing the print preview.ExampleYou can try to run the following code to return the page-break behavior inside an element with JavaScript −           Heading 1       This is demo text.       This is demo text.       This ... Read More

To set the brightness, use the brightness property and for contrast, use the contrast property.ExampleYou can try to run the following code to use image filters with JavaScript −Live Demo           Click below to change the brightness and contrast of the image.       Edit Image                      function display() {             document.getElementById("myID").style.filter = "brightness(50%)";             document.getElementById("myID").style.filter = "contrast(50%)";          }          

Use the pageBreakAfter property in JavaScript to set the page-break behavior after an element. Use the always property for page after an element.Note − The changes would be visible while printing or viewing the print preview.ExampleYou can try to run the following code to return the page-break behavior after an element with JavaScript −           Heading 1       This is demo text.       This is demo text.       This if footer text.       Set page-break                function display() {             document.getElementById("myFooter").style.pageBreakAfter = "always";          }