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131 > > > >RunJS> > > > ul { font-size: 0; position: relative; padding: 0; width: 480px; margin: 40px auto; user-select: none; } li { display: inline-block; width: 160px; height: 60px; background: #E95546; font-size: 16px; text-align: center; line-height: 60px; color: #fff; text-transform: uppercase; position: relative; overflow: hidden; cursor: pointer; } .slider { display: block; position: absolute; bottom: 0; left: 0; height: 4px; background: #4FC2E5; transition: all 0.5s; } .ripple { width: 0; height: 0; border-radius: 50%; background: rgba(255,255,0.4); -webkit-transform: scale(0); -ms-transform: scale(0); transform: scale(0); position: absolute; opacity: 1; } .rippleEffect { -webkit-animation: rippleDrop .4s linear; animation: rippleDrop .4s linear; } @-webkit-keyframes rippleDrop { 100% { -webkit-transform: scale(2); transform: scale(2); opacity: 0; } } @keyframes rippleDrop { 100% { -webkit-transform: scale(2); transform: scale(2); opacity: 0; } } > > > > >Tab One> >Tab Two> >Tab Three> ><> > > > $("ul li").click(function(e) { if ($(this).hasClass('slider')) { return; } var whatTab = $(this).index(); var howFar = 160 * whatTab; $(".slider").css({ left: howFar + "px" }); $(".ripple").remove(); var posX = $(this).offset().left, posY = $(this).offset().top, buttonWidth = $(this).width(), buttonHeight = $(this).height(); $(this).prepend(" ><>"); if (buttonWidth >= buttonHeight) { buttonHeight = buttonWidth; } else { buttonWidth = buttonHeight; } var x = e.pageX - posX - buttonWidth / 2; var y = e.pageY - posY - buttonHeight / 2; $(".ripple").css({ width: buttonWidth, height: buttonHeight, top: y + 'px', left: x + 'px' }).addClass("rippleEffect"); }); > >
