Example: Computed Property 'yes' or 'no' In this example we give the user feedback 'yes' or 'no' when the checkbox is toggled. Feedback 'yes' or 'no' fits better with our everyday language than 'true' or 'false', and we use a computed property in this example to achieve this....
The input field cannot be empty In this example, we will display an error if the field is empty AND the checkbox is checked for "required".
Example With the debugger turned on, this code should stop executing before the third line: let x = 15 * 5;debugger;document.getElementbyId("demo").innerHTML = x; Try it Yourself » DescriptionThe debugger statement stops the execution of JavaScript, and calls the debugger....
Then add the .custom-control-input class to the checkbox: Toggle me Submit
❮ Input Checkbox Object Example Find out if a checkbox must be checked before submitting a form: varx = document.getElementById("myCheck").required; Try it Yourself » Description The required property sets or returns whether a checkbox must be checked before submitting a form. ...
Example Find out if the video has ended: varx = document.getElementById("myVideo").ended; Try it Yourself » Description The ended property returns whether the playback of the video has ended. A video has ended when the playback position is at the end of the video. ...
❮ Input Checkbox Object Example Find out if a checkbox automatically gets focus upon page load: var x = document.getElementById("myCheck").autofocus; Try it Yourself » DescriptionThe autofocus property sets or returns whether a checkbox should automatically get focus when the page loads, ...
Example Find out if the video is paused: varx = document.getElementById("myVideo").paused; Try it Yourself » Description The paused property returns whether the video is paused. Note:This property is read-only. Browser Support Property ...
Example leta = Math.clz32(0); letb = Math.clz32(1); letc = Math.clz32(2); letd = Math.clz32(4); Try it Yourself » Description TheMath.clz32()method returns the number of leading zeros in a 32-bit binary number. clz32is short forCountLeadingZeroes32. ...
Run Example » Example 3 Using the .prop modifier to change the indeterminate DOM property of the checkbox. <template> Using the '.prop' modifier to toggle the 'indeterminate' appearance of the checkbox: Toggle Checkbox </template> export default { data() { return { indetVal: false...