Shulou(Shulou.com)06/03 Report--

This article mainly introduces the basic syntax and data type example analysis in JavaScript, which has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

Introduction of JavaScript1. Internal Tags alert("hello world");2. Externally introduced base syntax

define variables

var num = 1; alert(num);

condition control

if (2>1){ alert("true");} var score = 65; // alert(num); if (score>60&&score70&&score

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