关于javascript:将camelCaseText转换为句子案例文本javascriptregexstring Convert camelCaseText to Sentence Case Text在javascript中,如何将类似"hello there"或"hellothere"的字符串转换为"hello there"?相关讨论 隐马尔可夫模型。。你对意大利的预期产量是多少? 我住在美国…哦,废话!-但在我的例子中,我有一组有限...
console.log(uppercase_str); // HELLO WORLD! let uppercase = sentence.toUpperCase(); console.log(uppercase); // JAVA IS TO JAVASCRIPT WHAT CAR IS TO CARPET. Run Code Output HELLO WORLD! JAVA IS TO JAVASCRIPT WHAT CAR IS TO CARPET. Also Read: JavaScript String toLowerCase() JavaScrip...
如果需要替换所有匹配的字符串,我们可以使用正则表达式的全局模式。 letsentence="Cats are great, cats are cute!";letnewSentence=sentence.replace(/cats/gi,"dogs");// 替换所有匹配console.log(newSentence);// 输出: Dogs are great, dogs are cute! 1. 2. 3. 三、处理字符串的实际操作 让我们通过一...
to-sentence-case 字符串转换为首字母大写的语句 用法:toSentenceCase(str) 返回:string varsentence=require('to-sentence-case');sentence('the catcher in the rye');// "The catcher in the rye" to-snake-case 其他符号分割的字符串以_分割 用法:toSnakeCase(str) 返回:string var snake = require('t...
console.log(lowercase_str); // hello world! let lowercase = sentence.toLowerCase(); console.log(lowercase); // java is to javascript what car is to carpet. Run Code Output hello world! java is to javascript what car is to carpet. Also Read: JavaScript String toUpperCase() Share...
toLowerCase() 方法在 null 或undefined 上调用时会引发 TypeError。 toLowerCase() 方法不会更改原始字符串。 示例:使用toLowerCase() 方法 let str = "Hello World!"; let sentence = "Java is to JavaScript what Car is to Carpet."; let lowercase_str = str.toLowerCase(); console.log(lowercase...
console.log( "ALPHABET".toLowerCase() ); // "alphabet" ``` 1. 20、toUpperCase() 将调用该方法的字符串转为大写形式并返回(如果调用该方法的值不是字符串类型会被强制转换)。 ```JavaScript const sentence = 'The quick brown fox jumps over the lazy dog.'; ...
//toLowerCase()varmyString ='JAVASCRIPT ROX';myString = myString.toLowerCase();console.log(myString)//output: javascript rox 15. toUpperCase() toUpperCase()方法用于把字符串转换为大写。 //toUpperCase()varmyString ='javascript rox';myString = myString....
if (sentence.indexOf("Sam")!=-1) alert("Sam is in there!") 6. lastIndexOf(substr, [start]) lastIndexOf() 方法返回指定文本在字符串中最后一次出现的索引, 如果未找到,则返回-1。 “Start”是一个可选参数,指定字符串中开始搜索的位置, 默认值为string.length-1。
toLowerCase()方法用于把字符串转换为小写。 //toLowerCase()varmyString='JAVASCRIPT ROX';myString=myString.toLowerCase();console.log(myString)//output: javascript rox 15. toUpperCase() toUpperCase()方法用于把字符串转换为大写。 //toUpperCase()varmyString='javascript rox';myString=myString.toUpperC...