function capitalizer (string) { stringArray = string.split(' '); for (let i = 0; i< stringArray.length; i++) { var firstLetter = stringArray[i].charAt(0); var firstLetterCap = firstLetter.toUpperCase(); } return stringArray.join(' '); } console.log(capitalizer('cat on...
function capitalizeFirstLetter(str) { //将字符串拆分为单词数组 var words = str.split(" "); //遍历数组,对每个单词的首字母进行操作 for (var i = 0; i < words.length; i++) { //获取当前单词 var word = words[i]; //将当前单词的首字母转换为大写 var capitalizedWord = word.charAt(0)...
I'm looking for an example of how to capitalize the first letter of a string being entered into a text field. Normally, this is done on the entire field with a function, regex, OnBlur, OnChange, etc. I want to capitalize the first letter while the user is still typ...
capitalizeFirstLetter函数接受一个字符串作为参数,并返回一个新字符串,其中首字母大写。 functioncapitalizeFirstLetter(str){returnstr.charAt(0).toUpperCase()+str.slice(1);} 19. 判断数组是否包含特定元素 在处理数组时,你可能需要确定数组中是否包含特定元素。arrayContains函数接受一个数组和一个要查找的元素作为...
functioncapitalizeFirstLetter(str){letchars=str.split("");letfirstChar=chars[0];letupperFirstChar=firstChar.toUpperCase();letnewStr=str.replace(firstChar,upperFirstChar);letfinalStr=upperFirstChar+newStr.slice(1);returnfinalStr;}console.log(capitalizeFirstLetter("hello world"));// 输出 "Hello wor...
// Define a function named capital_letter with parameter strconstcapital_letter=(str)=>{// Split the input string into an array of wordsstr=str.split(" ");// Iterate through each word in the arrayfor(leti=0,x=str.length;i<x;i++){// Capitalize the first letter of each word and ...
You can capitalize the first letter of a string by using the charAt() and slice() methods in JavaScript. function capitalizeFirstLetter(str) { return str.charAt(0).toUpperCase() + str.slice(1); } let myString = "codedamn"; console.log(capitalizeFirstLetter(myString)); // Outputs: Code...
Since we have to capitalize first letter here, we will use str.charAt(0) to extract first letter from the String. 1 2 3 4 5 const str = 'java2blog'; const firstChar = str.charAt(0); console.log(firstChar); Output: J toUpperCase() toUpperCase() function returns all input charact...
So here we will be seeing how we can capitalize on the first word in a string using 3 different approaches. Here is the code sample that shows you how to capitalize the first word in a given string. EXAMPLE 1 function capitalize(input) { var words = input.split(' '); var ...
functioncapitalizeFirstLetter(str){returnstr.charAt(0).toUpperCase()+str.slice(1);}letstr="javascript";letcapitalizedStr=capitalizeFirstLetter(str);console.log(capitalizedStr);// 输出 "Javascript" 1. 2. 3. 4. 5. 6. 7. 8. 在上面的代码中,我们定义了一个名为capitalizeFirstLetter的函数,它接受...