functionstringToUint8Array(str){constlength=str.length;constarray=newUint8Array(length);for(leti=0;i<length;i++){array[i]=str.charCodeAt(i);}returnarray;}// 将字符串转换为 Uint8Array 数组conststr='Hello, World!';constuint8Array=stringToUint8Array(str);console.log(uint8Array); 1. 2....
To transform a string into an array of characters: const word = "JavaScript"; const charArray = word.split(""); console.log(charArray); // Output: ["J", "a", "v", "a", "S", "c", "r","i", "p","t"] JavaScript Copy Using an empty string as the delimiter in split()...
var number = [1,2,3,4,5,6,7,8]; var res = number.reduce(function(prev, cur, index, array) { return prev + cur; }) console.log(res); //1+2+3+4+5+6+7+8=36 var res = number.reduceRight(function(prev, cur, index, array) { return prev + cur; }) String处理的常用方法...
步骤1:创建一个空的Uint8Array对象 // 创建一个空的Uint8Array对象constuint8Array=newUint8Array(); 1. 2. 这段代码中,我们创建了一个空的Uint8Array对象,该对象将用于存储转换后的数据。 步骤2:将Javascript字符串转换为UTF-8编码的字节数组 // 将Javascript字符串转换为UTF-8编码的字节数组constutf8Array...
Note: If you need to convert an array to a string in JavaScript, read this article. String.split() Method The String.split() method converts a string into an array of substrings using a separator and returns a new array. It splits the string every time it matches against the given se...
Array 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 push() //将一个或多个数据加入到数组的末端,并返回新的数组长度. pop() //取出数组中的最后一项,修改length属性,并返回被删除的数据 shift() //取出数组中的第一个元素,修改length属性 unshift() //在数组最前面插入项,返回数组的...
1 Array 对象 Array 对象用于在单个的变量中存储多个值。 join() 方法 2 String对象 indexOf() 定义和用法 indexOf() 方法可返回某个指定的字符串值在字符串中首次出现的位置。 语法 stringObject.indexOf(searchvalue,fromindex) 说明 该方法将从头到尾地检索字符串 stringObject,看它是否含有子串 searchvalue...
In the above code, we passed comma(,)as an argument to thesplit()method so that its start separating the string at each comma and returns the array. Limiting the number of splits We can also limit the number of splits by passing a second argument to thesplit()method. ...
log(stringArray); Output [ 'Hellonaman', 'Hellopriya', 'Hellorishi' ] Time complexity: O(n), where n is the length of string array, Space complexity: O(1), in-place modification of the array. Conclusion In summary, prepending a string to all elements of a JavaScript array involves...
JavaScript Uint8Array 转 string 实现方法 1. 整体流程 首先我们来了解一下将 JavaScript 的 Uint8Array 类型转换为字符串的整体流程。下面是将 Uint8Array 转换为字符串的步骤: 下面我们将逐步介绍每一步需要做什么,以及需要使用的代码。 2. 具体步骤 ...