Change HTML TextBox border color if TextBox is empty on Button Click in JavaScript

Question

How to make HTML JavaScript or jQuery and use class not IDHere is ASPNet code Change TextBox border color if TextBox is empty using jQuery in ASPNet

dharmendr · Accepted Answer

Hi letstryRefer below sampleHTMLlthtmlgtltheadgt    ltmeta charset34utf834 gt    lttitlegtlttitlegt    ltstyle type34textcss34gt        error             color red            display none            ltstylegt    ltscript type34textjavascript34gt        function Validate             var name  documentgetElementsByClassName34name34            var error  documentgetElementsByClassName34error34            error0styledisplay  name0value  3434  34block34  34none34            name0styleborder  name0value  3434  341px solid red34  3434            name0focus            ltscriptgtltheadgtltbodygt    Name ltinput type34text34 class34name34 gt    ltspan class34error34gtPlease Enter Nameltspangtltbr gt    ltinput type34button34 value34Submit34 onclick34Validate

Change HTML TextBox border color if TextBox is empty on Button Click in JavaScript

Change TextBox border color if TextBox is empty using jQuery in ASP.Net

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