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JavaScriptValidation API ❮ PreviousNext ❯ Constraint Validation DOM Methods and Properties Method/PropertyDescription checkValidity()Returns true if an input element contains valid data. setCustomValidity()Sets the validationMessage property of an input element. ...
❮PreviousJavaScriptStatementsNext❯ Example With the debugger turned on, this code should stop executing before the third line: letx =15*5; debugger; document.getElementbyId("demo").innerHTML= x; Try it Yourself » Description Thedebuggerstatement stops the execution of JavaScript, and calls...
Example Find out if the video is paused: var x = document.getElementById("myVideo").paused; Try it Yourself » DescriptionThe paused property returns whether the video is paused.Note: This property is read-only.Browser SupportProperty paused Yes 9.0 Yes Yes Yes...
Example lettext ="Hello World!"; letresult = text.fixed(); Try it Yourself » Description String fixed() is deprecated in JavaScript. Avoid using it. It may cease to work in your browser at any time. Thefixed()method returns a string embedded in a <tt> tag: ...
❮PreviousJavaScriptMath ObjectNext❯ 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. ...
Example let text = "Hello World!"; let result = text.anchor("Chapter 10"); Try it Yourself » DescriptionString anchor() is deprecated in JavaScript. Avoid using it. It may cease to work in your browser at any time.The anchor method returns a string embedded in an <a> tag:<a ...
String strike() is deprecated in JavaScript. Avoid using it. It may cease to work in your browser at any time.The strike() method returns a string embedded in a <strike> tag:<strike>string</strike>The <strike> tag is not supported in HTML5....
Example Draw a rectangle if the point 20, 50 is in the current path: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: const canvas = document.getElementById("myCanvas"); const ctx = canvas.getContext("2d"); ctx.rect(20, 20, 150, 100); if (ctx.isPointInPath(20, 50)) { ctx....
Example let text = "Hello World!"; let result = text.small(); Try it Yourself » DescriptionString small() is deprecated in JavaScript. Avoid using it. It may cease to work in your browser at any time.The small() method returns a string embedded in a <small> tag:<small>string<...