<script type="text/javascript"src="http://code.jquery.com/jquery-1.10.2.min.js"></script> </head> <body> <form id="form"action=""method="get"> <input type="text"name="First name"value="First name"/> <input type="text"name="Family name"value="Family name"/> <input type="te...
我们可以使用JavaScript来实现这个功能。 <script> document.getElementById("myInput").addEventListener("click", function() { this.value = ""; }); </script> 1. 2. 3. 4. 5. 在上面的代码中,我们使用getElementById方法获取到输入框的元素,然后使用addEventListener方法为输入框添加一个点击事件。在...
function saveData() { const inputValue = document.getElementById('inputField').value; localStorage.setItem('savedText', inputValue); alert('Data saved!'); } function clearData() { document.getElementById('inputField').value = ''; localStorage.removeItem('savedText'); alert('Data cleared!')...
这个是javaweb程序的:<input name="save" type="button" value="clear" onclick="return isSave();" /><script type="text/javascript">function isSave(){var save = confirm("是否保存");if(save){window.location.href="test.jsp";return true;}return false;}</script>这个是java桌面程...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 <html> <head> <script type="text/javascript"> function timedMsg() { var t=setTimeout("alert('5 seconds!')",5000) } </script> </head> <body> <form> <input type="button" value="Display timed alertbox!" onClick="timedMsg()"> ...
Clear <input type="file"> document.getElementById("uploadCaptureInputFile").value = ""; https://css-tricks.com/snippets/jquery/clear-a-file-input/ https://www.sitepoint.com/community/t/clear-input-type-file/257508 https://stackoverflow.com/questions/20549241/how-to-reset-input-type-file ...
Return Value NONE Related Pages: JavaScript Maps JavaScript Iterables Full JavaScript Map Reference Browser Support map.clear()is an ECMAScript6 (ES6) feature. ES6 (JavaScript 2015) is supported in all modern browsers since June 2017: Chrome 51Edge 15Firefox 54Safari 10Opera 38 ...
" clearInterval(intt);//为什么此处无效,不能终止intt "这不是这个方法的错误,是你的循环变色就没开始变吧,你上面的 var intt = setInterval("changeCo()", 50)石油问题的,你可以看一下这个方法的是不是有问题的,再一个,要不是$('#in1').animate({'backgroundColor' : '#FFFFCC'},...
假设我们有一个HTML,上面有一个input元素 <input type="text" value="hello"> 1. 接着我们使用querySelector()函数来获取这个input元素,然后打印input元素的value值 let input = document.querySelector('input[type=text]'); console.log(input.value); ...
</button> <input type="text" id="txt"> <button onclick="stopCount()">停止计数!</button> <script> var c = 0; var t; var timer_is_on = 0; function timedCount() { document.getElementById("txt").value = c; c = c + 1; t = setTimeout(function(){timedCount()}, 1000); }...