Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 25x 25x 25x 25x 9x 9x 25x 1x 1x 25x 214x 214x 6x 6x 214x 9x 25x 10x 10x 10x 10x 10x | /**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
// MAIN //
/**
* Tests if a value is a binary string.
*
* @param {*} str - value to test
* @returns {boolean} boolean indicating if an input value is a binary string
*
* @example
* var bool = isBinaryString( '1000101' );
* // returns true
*
* @example
* var bool = isBinaryString( 'beep' );
* // returns false
*
* @example
* var bool = isBinaryString( '' );
* // returns false
*/
function isBinaryString( str ) {
var ch;
var i;
if ( !isString( str ) ) {
return false;
}
if ( str.length === 0 ) {
return false;
}
for ( i = 0; i < str.length; i++ ) {
ch = str[ i ];
if ( ch !== '1' && ch !== '0' ) {
return false;
}
}
return true;
}
// EXPORTS //
module.exports = isBinaryString;
|