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1. trim() ÒªÁì

trim() ÒªÁì¿É´Ó×Ö·û´®¿ªÍ·ºÍĩβɾ³ýËùÓпոñ¡£ÈôÊÇ×Ö·û´®Öв»±£´æ¿Õ¸ñ £¬Ôò²»Ö´ÐÐÈκβÙ×÷¡£

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let trimmedString = string.trim();

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const str = "  Hello World  ";
const trimmedStr = str.trim();
console.log(trimmedStr); // Êä³ö: "Hello World"

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2. replace() ÒªÁì

replace() ÒªÁì¿ÉËÑË÷²¢Ìæ»»×Ö·û´®ÖеÄÌض¨×Ó×Ö·û´® £¬°üÀ¨¿Õ¸ñ¡£ÒªÉ¾³ýËùÓпոñ £¬¿ÉÒÔʹÓÃÕýÔò±í´ïʽ /\s/g¡£

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let spacedString = string.replace(/\s/g, "");

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const str = "  Hello World  ";
const spacedString = str.replace(/\s/g, "");
console.log(spacedString); // Êä³ö: "HelloWorld"

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3. ÊÖ¶¯È¥³ý¿Õ¸ñ

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let spacedString = "";
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let spacedString = "";
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