} if($("#div1").is(":hidden")) { document.write("Div1 元素是隐藏的<br>"); } if($("#div2").is(":visible")) { document.write("Div2 元素是可见的<br>"); } if($("#div2").is(":hidden")) { document.write("Div2 元素是隐藏的<br>"); } </script>
if(!(":visible")){ //若窗口本身为不可见时不执行后面两句语句 return; } currentWin.stop(true,true); currentWin.fadeIn(0); }); //鼠标移开,3秒后再次隐藏 currentWin.mouseout(function(){ if(!(":visible")){ return; } clearTimeout(fadeOutTimeOut); // 先清除所有延时,以免重复叠加 fade...
// 查看 CSS 设置 display:[none|block], 忽略 visibility:[true|false]$(element).is(":visible"); 实例 我是隐藏的内容,你看不到我。我是显示的内容,你看的到我。
jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. With a combination of versatility and extensibility, ...
if(i%2==0) {//取模(取余数,例如0/2=0 1%2=1 2%2 =0 ) trs[i].style.backgroundColor="#888";// 改变符合条件的tr元素的背景色 } } 例子3 对多选框进行操作,输出选中的多选框的个数。 (1).获取所有name为check的多选框。 (2)循环判断多选...
:visible Selector Selects all elements that are visible.CSS | Dimensions | Manipulation > Style Properties .width() Get the current computed width for the first element in the set of matched elements or set the width of every matched element.Manipulation...
log(false); } }) function isVisible($img){ var windowHeight = $(window).height(), windowScrolltop = $(window).scrollTop(), imgoffsetTop = $img.offset().top, imgHeight = $img.outerHeight(true); if(windowHeight + windowScrolltop > imgoffsetTop && windowScrolltop < imgoffsetTop + ...
效果图: js判断元素是否隐藏的方法 if( document.getElementById("div").css("display")==='none')if( document.getElementById("div").css("display")==='block') $("#div").is(":hidden");//判断是否隐藏$("#div").is(":visible")
EN$(function(){ $("#bubmitBtn").click(function(){ //首先需要把提示标签全部隐藏掉 $("#name...
jquery.visible.min.js package.json Element Onscreen Visibility This is ajQueryplugin which allows us to quickly check if an element is within the browsersvisual viewport, regardless of the scroll position. If a user can see this element, the function will return true. ...