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4. Unicode to CSS Content code

{
  "topic": "unicode-css",
  "input_types": [
    "text"
  ],
  "input_labels": [
    "Unicode"
  ],
  "input_values": [
    "U+000A9"
  ],
  "type": "Convert",
  "title": "Unicode to CSS Content code",
  "category": "HTML Conversion Tools",
  "preview": true,
  "function": "function myFunc(arr) {\n        let unicodeString = arr[0];\n        let csscodeString = parseInt(unicodeString.slice(2), 16).toString(16);\n        return '\\\\' +nZeroes(4-csscodeString.length)+ csscodeString;\n      }",
  "op_label": "CSS Content Code",
  "explanation": "This tool converts the given Unicode to CSS Content code."
}