How to use 'javascript concatenate string and variable' in JavaScript
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83 concatenateString(binaryExpression, string = '') { 84 if (binaryExpression.operatorToken.kind !== ts.SyntaxKind.PlusToken) { 85 return 86 } 87 88 if (binaryExpression.left.kind === ts.SyntaxKind.BinaryExpression) { 89 string += this.concatenateString(binaryExpression.left, string) 90 } 91 else if (binaryExpression.left.kind === ts.SyntaxKind.StringLiteral) { 92 string += binaryExpression.left.text 93 } 94 else { 95 return 96 } 97 98 if (binaryExpression.right.kind === ts.SyntaxKind.BinaryExpression) { 99 string += this.concatenateString(binaryExpression.right, string) 100 } 101 else if (binaryExpression.right.kind === ts.SyntaxKind.StringLiteral) { 102 string += binaryExpression.right.text 103 } 104 else { 105 return 106 } 107 108 return string 109 }
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135 function JS_STRING_CONCAT(a, b) { 136 return a + b; 137 }