smoothScroll('.fooBar'); 19.detectDeviceType:检测移动/PC设备 const detectDeviceType = () => /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? 'Mobile' : 'Desktop'; 20.getScrollPosition:返回当前的滚动位置 默认参数为window,pageXOffset(pageYOffset)为第...
info += "flash插件情况:" + checkePlugs('Shockwave Flash') + ""; info += "是否有MediaPlayer:" + checkePlugs("MediaPlayer") + ""; info += "是否有realPlayer:" + checkePlugs("RealPlayer") + ""; info += "屏幕分辨率高度:" + window.screen.height + ""; info += "屏幕分辨率宽度...
doctype html> 现在在 body 标签中,我们包含了 header 和 main 语义标签。在 header 标签内,我们设置了项目的标题部分,这里只包括应用程序的名称和一个视频图标。 代码语言:javascript 复制 <ion-icon name="videocam"></ion-icon>Search Movies 在我们继续讲解 main 标签之前,在 body 标签的末尾,让我们包含所...
window.onload=function(){code=fun();}letchecka=document.getElementById("checka");checka.onclick=function(){code=fun();}letbtn=document.getElementById("btn");btn.onclick=function(){lett=document.getElementById("zheng").value;console.log(t)if(t==code){alert("正确");code=fun();documen...
4 5 6 7 Click the checkbox 8 Click here to continue 9 10 11 12 13 14 15 paypal.Buttons({ 16 // onInit is called when the button first renders 17 onInit(data, actions) { 18 // Disable the buttons 19 actions
✅ Do: For production monitoring and development-time sanity check, run a single E2E test that visits all/most of the site pages and ensures no one breaks. This type of test brings a great return on investment as it's very easy to write and maintain, but it can detect any kind of ...
affix('checkPosition') Events Bootstrap's affix plugin exposes a few events for hooking into affix functionality. Event TypeDescription affix.bs.affix This event fires immediately before the element has been affixed. affixed.bs.affix This event is fired after the element has been affixed. affix-...
6.If this interface returns an error code 2801 on the mini-program platform, please check the mini-program trusted domain configuration. API chat.login(options); Parameters Theoptionsparameter is of theObjecttype. It contains the following attribute values: ...
DOCTYPE html>JavaScript 条件语句示例检查年龄<pid="outputText">// JavaScript 代码functioncheckAge(){// 获取输入框的值varage=parseInt(document.getElementById("ageInput").value);// 判断年龄是否符合条件if(age>=18){document.getElementById("outputText").innerText="您已成年,可以参加活动!";}else{doc...
又快到周五啦,快来一起摸鱼呀!今天来看看JavaScript中的一些实用的工具函数,希望能帮助你提高开发效率!整理不易,如果觉得有用就点个赞吧! 实用工具函数.png 1. 数字操作 (1)生成指定范围随机数 代码语言:javascript 复制 exportconstrandomNum=(min,max)=>Math.floor(Math.random()*(max-min+1))+min;复制代...