@nextleaf
2018-08-31T10:12:35.000000Z
字数 1394
阅读 651
Java
工作日志
<style type="text/css">
div {
width: 10%;
height: 200px;
margin: 16% auto;
text-align: center;
border-style: dashed;
border-color: #1E90FF;
border-width: 2px
}
span {
border-style: solid;
border-color: #D2691E;
border-width: 1px
}
</style>
......
<body>
<script language="JavaScript">
function cal(val) {
if (val != "=") {
document.getElementById("calData").innerText += val;
} else {
var res = eval(document.getElementById("calData").innerText);
document.getElementById("calData").innerText = res;
}
}
</script>
<div>
<input type="button" value="1" onclick="cal(this.value);">
<input type="button" value="2" onclick="cal(this.value);">
<input type="button" value="3" onclick="cal(this.value);"><br>
<input type="button" value="+" onclick="cal(this.value);">
<input type="button" value="-" onclick="cal(this.value);">
<input type="button" value="*" onclick="cal(this.value);">
<input type="button" value="/" onclick="cal(this.value);"><br>
<input type="button" value="=" onclick="cal(this.value);"><br><br>
<span id="calData"></span>
</div>
</body>
function regTest1() {
var str=document.getElementById("testReg").value;
var reg=/^\d{3,5}$/;
console.log(reg.test(str)?"ok":"retry");
}
function regTest() {
var str=document.getElementById("testReg").value;
var reg=/\d{3,5}/;
console.log(reg.test(str)?"ok":"retry");
}
<div>
<input id="testReg">
<input type="button" value="验证是否含有连续3-5位数字" onclick="regTest()">
<input type="button" value="验证是否s是3-5位数字" onclick="regTest1()">
</div>