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Programming Scripts Articles
Page 23 of 33
What is the usage of onsearch event in JavaScript?
The onsearch event is useful for search i.e. a user press ENTER or “x” key in input element. The type for is search, since it is for users to search. The onsearch event isn’t supported in Internet Explorer, Firefox, and Opera.ExampleYou can try to run the following code to learn how to implement onsearch event in JavaScript. Write what you want to search below and press "ENTER". function searchFunc() { var a = document.getElementById("newInput"); document.write("Searched = " + a.value); }
Read MoreWhat is the usage of oninvalid event in JavaScript?
The oninvalid event is triggered if the field value added in is invalid. Add a message if the user forgets to fill the form before submission.ExampleYou can try to run the following code to learn how to implement oninvalid event in JavaScript. function resetFunct() { alert("The form was reset"); } Enter Name: Enter birth month:
Read MoreWhat is the usage of onfocus event in JavaScript?
The onfocus event is triggered when element gets focus. You can try to run the following code to learn how to implement onfocus event in JavaScript.Example Write below: function newFunc(x) { x.style.background = "blue"; }
Read MoreWhat is the usage of onblur event in JavaScript?
The blur event triggers when object lose focus. You can try to run the following code to learn how to implement onblur event in JavaScript.Example Write below: function newFunc(a) { a.style.background = "green"; }
Read MoreWhat is the usage of onunload event in JavaScript?
The unload event trigger when you unload (or refresh) a page. You can try to run the following code to learn how to implement onunload event in JavaScript.Example Close the page and see what happens! This event may give unexpected results. function newFunc() { alert("Thank you!"); }
Read MoreWhat is the usage of onscroll event in JavaScript?
The onscroll event occurs when scrollbar is being scrolled for an element. You can try to run the following code to learn how to implement onscroll event in JavaScript.Example div { border: 2px solid blue; width: 300px; height: 100px; overflow: scroll; } This is ...
Read MoreWhat is the usage of onpagehide event in JavaScript?
The onpagehide event triggers in JavaScript when a user leaves the page and decides to move to another. Some examples include age refresh, a link is clicked, etc.ExampleYou can try the following code to learn how to implement onpagehide event in JavaScript. Close the page and see what happens! function newFunc() { alert("Thank you!"); }
Read MoreWhat is the usage of the onbeforeunload event in JavaScript?
If you want to trigger an event before the document is loaded, then use the onbeforeunload event.ExampleYou can try to run the following code to learn how to implement onbeforeunload event in JavaScript. Click to open Qries function myFunction() { return "Working with onbeforeunload event"; }
Read MoreWhat is the usage of onpageshow event in JavaScript?
The onpageshow event triggers in JavaScript when a user reaches the new web page.ExampleYou can try to run the following code to learn how to implement onpageshow event in JavaScript. On first visit, a welcome message is visible. function newFunc() { alert("Welcome!"); }
Read MoreWhat is the usage of onhashchange event in JavaScript?
When anchor part is changed, then the onhashchange event occurs. You can try to run the following code to learn how to implement onhashchange event in JavaScript.Example Click to change anchor function functionChange() { location.hash = "about"; var hash = location.hash; document.write("The anchor part is now: " + hash); } // If the achor part is changed function newFunc() { alert("Anchor part changed!"); }
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