Answers for ".substr javascript"

3

js get first 3 characters of string

const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"
Posted by: Guest on June-17-2020
5

substr() javascript

const str = 'substr';

console.log(str.substr(1, 2)); // (1, 2): ub
console.log(str.substr(1)); // (1): ubstr

/* Percorrendo de trás para frente */
console.log(str.substr(-3, 2)); // (-3, 2): st
console.log(str.substr(-3)); // (-3): str
Posted by: Guest on September-18-2020
1

java subscript

// Java Subscript Numbers
//	Base	Char	Code
	0		₀		\u2080
	1		₁		\u2081
	2		₂		\u2082
	3		₃		\u2083
	4		₄		\u2084
    5		₅		\u2085
    6		₆		\u2086
    7		₇		\u2087
    8		₈		\u2088
    9		₉		\u2089
Posted by: Guest on August-14-2021
3

js substr

//str.substr(start[, length])
var str = 'abcdefghij';

console.log('(1, 2): '   + str.substr(1, 2));   // '(1, 2): bc'
console.log('(-3, 2): '  + str.substr(-3, 2));  // '(-3, 2): hi'
console.log('(-3): '     + str.substr(-3));     // '(-3): hij'
console.log('(1): '      + str.substr(1));      // '(1): bcdefghij'
console.log('(-20, 2): ' + str.substr(-20, 2)); // '(-20, 2): ab'
console.log('(20, 2): '  + str.substr(20, 2));  // '(20, 2): '
Posted by: Guest on January-07-2021
5

javascript substring

// zero-based index, 'end' is excluded from result
myString.substring( start, end )
Posted by: Guest on December-04-2020

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