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40 | 40 | // console.log(s.substring(-8,4));//first negative number change to zero |
41 | 41 | // console.log(s.slice(8,-4)); |
42 | 42 | // console.log(s.substring(8,-4));//first negative number change to zero than compare numbers if endIndex is less than indexStart than swapped their place |
| 43 | + |
| 44 | + |
| 45 | + // SPLIT() MEHTOD // |
| 46 | + |
| 47 | +//SYNTAXES |
| 48 | +//string.split() |
| 49 | +//string.split(separator) |
| 50 | +//string.split(separator,limit) |
| 51 | + |
| 52 | +// const string = 'The morning is upon us'; |
| 53 | +// const arr0 = string.split()//[ 'The morning is upon us' ] |
| 54 | +// const arr1 = string.split(' ')//[ 'The', 'morning', 'is', 'upon', 'us' ] |
| 55 | +// const arr2 = string.split('')[ |
| 56 | +// 'T', 'h', 'e', ' ', 'm', |
| 57 | +// 'o', 'r', 'n', 'i', 'n', |
| 58 | +// 'g', ' ', 'i', 's', ' ', |
| 59 | +// 'u', 'p', 'o', 'n', ' ', |
| 60 | +// 'u', 's' |
| 61 | +// ] |
| 62 | +// const arr3 = string.split('o')//[ 'The m', 'rning is up', 'n us' ] |
| 63 | +// const arr5 = string.split('o',2)//[ 'The m', 'rning is up' ] |
| 64 | +// const arr6 = string.split('o',0)// [] empty array |
| 65 | +// console.log(arr0); |
| 66 | +// console.log(arr1); |
| 67 | +// console.log(arr2); |
| 68 | +// console.log(arr3); |
| 69 | +// console.log(arr5); |
| 70 | +// console.log(arr6); |
| 71 | + |
| 72 | + // INCLUDES() METHOD |
| 73 | + |
| 74 | +//SYNTAXES |
| 75 | +//string.includes(searchString) |
| 76 | +//string.includes(searchString,position) |
| 77 | +// const str = 'The quick brown fox running very fast than rabbit'; |
| 78 | +// console.log(str.includes('rabbit'));//it returns true becuse it is checking this string is include or not |
| 79 | +// console.log(str.includes('fox',0));//there start searching from position zero |
| 80 | + |
| 81 | + |
| 82 | + // STARTSWITH() |
| 83 | + //SYNTAXES |
| 84 | +// string.startsWith(searchString); |
| 85 | +//string.startsWith(searchString,Position); |
| 86 | +// it is sensetive |
| 87 | + |
| 88 | +// const str = 'Cats are the best '; |
| 89 | +// console.log(str.startsWith('Cate')); |
| 90 | +// console.log(str.startsWith('Cats',5)); |
| 91 | + |
| 92 | + //ENDSWITH() METHOD |
| 93 | + // SYNTAXES |
| 94 | +// string.endsWith(searchString); |
| 95 | +// string.endsWith(searchString,length) |
| 96 | + |
| 97 | +// const str = 'The cats are best!' |
| 98 | +// console.log(str.endsWith('best')); |
| 99 | +// console.log(str.endsWith('best',17)); |
| 100 | + |
| 101 | + |
| 102 | + // CONCAT() METHOD // |
| 103 | + |
| 104 | +// SYNTAXES |
| 105 | +// str1.concat(str2) |
| 106 | +//str1.concat(str2,str3,...,str5) |
| 107 | + |
| 108 | +// const str = 'hello'; |
| 109 | +// const str1 = 'World'; |
| 110 | +// const str3 = 'I am'; |
| 111 | +// const str4 = 'Turabek Yusubov' |
| 112 | +// console.log(str.concat(' ',str1,',',str3,' ',str4)); |
| 113 | + |
| 114 | + // REPEAT() METHOD |
| 115 | + |
| 116 | +// SYNTAXES |
| 117 | +// string.repeat(count) |
| 118 | + |
| 119 | +// const str = 'abc' |
| 120 | +// console.log(str.repeat(0));//empty string |
| 121 | +// console.log(str.repeat(1)); |
| 122 | +// console.log(str.repeat(3.5));// method will change integer this count number "3.5"; |
| 123 | +// console.log(str.repeat(-1));// it returns 'Range error' |
| 124 | +// console.log(str.repeat(1/0));//it returns "Range Error" |
| 125 | + |
| 126 | + |
| 127 | + // TRIMSTART() - TRIM() - TRIMEND() // |
| 128 | +//SYNTAXES |
| 129 | +// string.trimStart() - string.trim() - string.trimEnd() // |
| 130 | + |
| 131 | +// const s = ' Hello world ' |
| 132 | +// const str = s.trimStart()// remove space from start till index position |
| 133 | +// const str1 = s.trim()// remove space from both sides |
| 134 | +// const str2 = s.trimEnd()//remove space from end |
| 135 | +// console.log(str); |
| 136 | +// console.log(str1); |
| 137 | +// console.log(str2); |
| 138 | + |
| 139 | + |
| 140 | + // padStart() -- padEnd() // |
| 141 | + |
| 142 | + // SYNTAXES |
| 143 | + |
| 144 | +// string.padStart(targetlength) ----- string.padEnd(targetlength) /// |
| 145 | +// string.padStart(targetlength,padstring) ---- string.padEnd(targetlength,padstring) /// |
| 146 | + |
| 147 | +// const s = 'abc'; |
| 148 | +// const m = s.padStart(10)// _ _ _ _ _ _ _ abc <---result will appear |
| 149 | +// console.log(s.padStart(10,'tim'))// "timtimtabc" <-- it returns like this |
| 150 | +// console.log(s.padStart(10,'123456789'))// "1234567abc"-- it returns like this |
| 151 | +// console.log(s.padEnd(10));//"abc_ _ _ _ _ _ _" it returns with 7 space |
| 152 | +// console.log(s.padEnd(10,'foo'));// "abcfoofoof" <-- it returns |
| 153 | +// console.log(s.padEnd(10,'123456789'));// "abc1234567" <-- it returns |
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