JavaScript string math 的相关内容

文章 2024-11-09 来自：开发者社区

js中String或者Array或者Math内部常用的方法

String对象常用方法 charAt()：返回指定位置的字符。例如，let str = "Hello"; console.log(str.charAt(1)); 会输出 e。concat()：用于连接两个或多个字符串。let str1 = "Hello"; let str2 = "Worl...

文章 2023-07-16 来自：开发者社区

1024JS常用的对象总结(第十三课)主要内容String Date Math

JavaScript对象为第一部分案例一:对象的类型// ! 对象的类型 var name = "shriop" var age = 19 var height = 1.80 console.log("名字是" + name + "年龄" + age + "身高" + height); // ! 对象的类型 var obj1 = new Object(); console.log(obj1); ....

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