<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...
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!')...
4. 使用JavaScript为清除按钮添加点击事件 现在,我们需要为清除按钮添加一个点击事件,在点击按钮时清空输入框的值。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...
let input = document.querySelector('input[type=text]') as HTMLInputElement; console.log(input.value); 1. 2. 3. 修改后,错误消失了 可以看到,当鼠标停留在value值上的时候,弹出HTMLInputElement的value值为string类型。 也可以采用另一种写法 let text = (input as HTMLInputElement).value; 1. 这里...
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代码语言:javascript 复制 <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()"> </form> <p>Click on the...
//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>VEMap.AddShape, VEMap.DeleteShape, VEMap.Clear, VEShape.Hide, VEShape.Show</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript" src="http://dev....
inputText.value = ''; //清除选择的文本 const inputElement = document.querySelector('input'); inputElement.setSelectionRange(0, 0); }; return { inputText, clearText }; } }; </script> ``` 在上面的示例中,我们有一个包含输入框和按钮的`div`元素。输入框使用`v-model`指令绑定到`inputText...
<input type="buttom"id="stratid"value="開始"> <input type="button"id="stopid"value="停止"> <span id="myspan">10</span> </body> 想要達到倒計時的效果,我們要先考慮怎麼獲取當前的數,用到的方法還是document.getElementById(獲取對象的Id); ...
Return Value NONE More Examples Toggle between two background colors once every 500 milliseconds: constmyInterval = setInterval(setColor,500); functionsetColor() { letx = document.body; x.style.backgroundColor= x.style.backgroundColor=="yellow"?"pink":"yellow"; ...