letguesses =0;// for storing the number of guesseslethint ='';// for storing hintletnumber=0;do{// get input from userletinput = prompt(`Please enter a number between${MIN}and${MAX}`+ hint);// get the intege...
address:"中国香港"};console.log(user.age);//访问对象中的属性,未定义vari;console.log(i);//变量未赋值functionf(n1){console.log(n1);}varresult=f();//参数未赋值console.log(result);//当函数没有返回值时为undefined</script></body></html>...
sampleRate, // 输入采样率 inputSample:16, // 输入采样数位 16 outputSampleRate:configsampleRate, // 输出采样率 oututSampleBits:config.sampleBits, // 输出采样数位 8 input:function(data){ this.buffer.pushnew Float32Array(data)); this.size+=data.length; }, //合并压缩 compress:...
find('.modal-body input').val(recipient) }) 用法 通过data 属性或 JavaScript 调用模态框插件,可以根据需要动态展示隐藏的内容。模态框弹出时还会为 <body> 元素添加 .modal-open 类,从而覆盖页面默认的滚动行为,并且还会自动生成一个 .modal-backdrop 元素用于提供一个可点击的区域,点击此区域就即可关闭模态...
on('shown.bs.modal', function () { $('#myInput').focus() }) Examples Static example A rendered modal with header, body, and set of actions in the footer. × Modal title One fine body… Close Save changes <div class="modal fade" tabindex="-1" role="dialog"> <div class="...
javascript解除禁止input输入框代码: function disable() { document.getElementById("user.name").disabled=""; document.getElementById("user.number").disabled=""; document.getElementById("user.age").disabled=""; document.getElementById("user.sex").disabled=""; document.getElementById("user.score...
find('.modal-body input').val(recipient) }) 用法 通过data 属性或 JavaScript 调用模态框插件,可以根据需要动态展示隐藏的内容。模态框弹出时还会为 <body> 元素添加 .modal-open 类,从而覆盖页面默认的滚动行为,并且还会自动生成一个 .modal-backdrop 元素用于提供一个可点击的区域,点击此区域就即可关闭模态...
const url = 'http://some.bad.url';const sampleIndex = document.getElementById('whichSampleInput').valueAsNumber;const myData = tf.data.csv(url); ***1***let columnNames;try {columnNames = await myData.columnNames(); ***2***} catch (e) {ui.updateColumnNamesMessage(`Could not con...
<input onmousemove="this.value=event.clientX+':'+event.clientY"value="Mouse over me"> 防止在鼠标按下时的选择 双击鼠标会有副作用,在某些界面中可能会出现干扰:它会选择文本。 比如,双击下面的文本,除了我们的处理程序外,还会选择文本: <span ondblclick="alert('dblclick')">Double-click me</span> ...
<body><inputtype="file"id="fileInput"><buttonid="uploadButton">upload</button><script> document.getElementById("uploadButton").onclick =()=>{letfileElement =document.getElementById('fileInput') // check if user had selected a fi...