if($("#div1").is(":visible")) { document.write("Div1 元素是可见的<br>"); } if($("#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>");...
使用jQuery的is()方法:使用jQuery的is()方法结合":visible"选择器来判断元素是否可见。如果元素可见,则is(":visible")方法返回true;否则,返回false。 根据元素是否可见,可以更改相应的变量。例如: 代码语言:javascript 复制 if($("#element").is(":visible")){// 元素可见时的操作varisVisible=true;}else...
// 查看 CSS 设置 display:[none|block], 忽略 visibility:[true|false]$(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。
if ($(element).is(":visible")) { ... } 原帖http://stackoverflow.com/questions/178325/how-do-you-test-if-something-is-hidden-in-jquery 点击下载免费的敏捷开发教材:《火星人敏捷开发手册》
if($('#div').is(':hidden')){//如果隐藏时。。。}else{//如果显示时。。。} javarcript 方法:varo =document.getElementById("div1").style.display;if(o=="none")//已经是隐藏状态{ document.getElementById("div1").innerHTML = "";//div要显示的内容document.getElementById("div1").style...
isShow && isVisible($('.p'))){ console.log(true); } }) function isVisible($img){ var windowHeight = $(window).height(), windowScrolltop = $(window).scrollTop(), imgoffsetTop = $img.offset().top, imgHeight = $img.outerHeight(true); if(windowHeight + windowScrolltop > imgoffset...
This basic check will returntrueif the entire element is visible to the user (within the visual viewport). If you'd like to check for ANY PART of the element, you can use the following: The plugin ignores the elements visibility by default. E.g.,display:none,visibility: hidden,offsetWidth...
3. element选择器(遍历html元素) 将p元素的文字大小设置为12px $(document).ready(function () { $('p').css('font-size', '12px'); }); 1. 2. 3. 4. * 选择器(遍历所有元素) $(document).ready(function () { // 遍历form下的所有元素,将字体颜色设置为红色 ...
Elements that are not in a document are considered hidden; jQuery does not have a way to know if they will be visible when appended to a document since it depends on the applicable styles. This selector is the opposite of the :hidden selector. So, every element selected by :visible isn...
For jQuery.isInView, an element is considered to be "in view" when it is completely visible: its content box, padding, and border, every tiny bit of it. But we can change that. Perhaps we decide that images should load as soon as they begin to move into the tolerance zone, even if...