vara=10;varb=20;varc=30;if(a>b){alert('a is GREATER than b!');}else{alert('a is NOT greater than b!');} index.html <!DOCTYPE HTML><html><head><metahttp-equiv="Content-Type"content="text/html; charset=UTF-8"><title>JavaScript Basics</title></head><body><scriptsrc="script...
简介: JavaScript基础语法(codewhy版本) JavaScript编写方式 第一种编写方式(HTML行内) <body> <a href="javascript:alert('百度一下')" onclick="alert('点击百度一下')">百度一下</a> </body> 如图所示,我们把js代码写到了a标签中,在我们之前的学习过程中,我们习惯于在body体内书写我们所需要的html代码...
JavaScript基础语法(codewhy版本)(二) https://developer.aliyun.com/article/1469643 05-JavaScript分支语句和逻辑运算符 程序的执行顺序 首先我们要知道,在程序开发的过程中,程序有三种不同的执行方式 顺序——顾名思义,就是从头到尾执行程序,严格按照从上至下的顺序执行代码 分支——代表着有选择,有判断,这时候...
Why is this code not working? what's wrong in the below code? https://code.sololearn.com/Wqm0rpZOlTQ1/?ref=app javascriptevents 4th Dec 2018, 1:22 PM Ravindra Desai10 Respuestas Ordenar por: Votos Responder + 4 The for loop doesn't wait for the button to be clicked. It is run to...
So, why not write code that is already minified? JavaScript code is written for, and by, humans, who need whitespace, formatting, and comments to be able to understand and debug the code. After the code is written, minifying software can be used in order to improve performance. This is...
instead of the submit button, i set it to a image. That has been working great. Now, here is my problem. I need this to be, when clicked depending on the image, it will show different images in the pop up window. But when I duplicated the code and pasted it elsewhere on the same...
My code is below: var isAdmin = false; var isStudent = true; if ( isAdmin ) { alert("Welcome administrator") } else if (isStudent) { alert("Welcome student."); } The alert box is popping us with "Welcome student.", but Treehouse says "I don't see the alert box with "Welcome...
1. Element Not Found or Not Loaded One of the most common reasons for event listeners not working is that the targeted element is either not found or not loaded when the event listener is attached. This is especially true when the event listener is attached using an external JavaScript file...
I am feeling like a looser 😔.. because everytime I got error when I write something... Here are the 2 code:https://code.sololearn.com/WtTZiqef4847/?ref=apphttps://code.sololearn.com/WvLpbP5qY2kr/?ref=app htmljavascriptaddeventlistener 19th...
In the JavaScript (JS) ecosystem, package managers are clients to and limited by npm’s Public Registry API/ infrastructure. Whoa, whoa, whoa, Kate. I thought you said that vsr and JSR were going to replace npm!? Nope. While all registries facilitate publishing and sharing code, today, fo...