p4.ssl.qhimg.com/t01331ac159b58f5478.jpg"/></li></ul></div><script>// 轮播图类 里面封装一些apiclassSlider{constructor(id){this.container=document.getElementById(id);this.items=this.container.querySelectorAll(".slider-list__item, .slider-list__item--selected");}// 获取选中的图片元素...
arrayObject.indexOf();从数组的开头开始向后查找indexOf(2,0);第一个参数,查找的元素 第二个参数,从下标哪里查找 arrayObject.lastIndexOf();从数组的末尾开始查找functionArrayIndexOf(arr,value){// 检测value在arr中出现的位置for(vari=0;i<arr.length;i++){if(arr[i]===value){returni;}}return-1...
', engine: 'handlebars', recipe: 'chrome-pdf' } }); res.setHeader('Content-Type','application/pdf'); result.stream.pipe(res); }catch(e){ res.writeHead(500,{'Content-Type': 'text/plain'}); res.end(`Error generating PDF: ${e.message}`); }}).listen(...
var b=new String('hello the world'); document.write(b.indexOf('l')); </script> 结果是:2 *** x.lastIndexOf(findStr) 代表查找到相匹配的最后一个字符串的索引 <script> var b=new String('hello the world'); document.write(b.lastIndexOf('l')); </script> 结果是:13 -String 对象的...
Microsoft.JSInterop @inject IJSRuntime JS <PageTitle>Prerendered Interop</PageTitle> <h1>Prerendered Interop Example</h1> <div @ref="divElement" style="margin-top:2000px"> Set value via JS interop call: <strong>@scrollPosition</strong> </div> @code { private ElementReference divElement;...
大多数情况下,我们需要为此消息创建像div这样的元素节点。 创建一条消息 创建一个消息div分为 3 个步骤: //1. 创建 <div> 元素let div = document.createElement('div');//2. 将元素的类设置为 "alert"div.className ="alert";//3. 填充消息内容div.innerHTML ="<strong>Hi there!</strong> You've...
Game.prototype.restart=function() {this.clearLocalStorage();this.timer=setTimeout(this.reset.bind(this),0);// Bind to 'this'};Game.prototype.reset=function(){this.clearBoard();// OK, back in the context of the right 'this'!}; ...
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="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <but...
<div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div><!-- /.modal-content --> </div><!-- /.modal-dialog --> </div><!-- /.modal -...
</div> <div> <inputtype="submit"id="submit"name="submit_button"value="提交"/> </div> </form> 上面代码就是一个简单的表单,包含三个控件:用户名输入框、密码输入框和提交按钮。 用户点击“提交”按钮,每一个控件都会生成一个键值对,键名是...