How to convert string to binary in javascript

Conversion method: 1. Use the split() method to convert the string into a character array; 2. Traverse the character array and use the charCodeAt() and toString() methods to convert each character element into a binary value; 3. , use the join() method to splice the array elements and convert them into complete binary values.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

Javascript converts a string to binary

• Converts a string to a character array

• Traverse the character array and use charCodeAt() to convert each character element to ascii code

• Use toString(2) to convert the ascii code element to binary

• Use join() to splice array elements and convert them into binary strings.

Implementation code:

function strToBinary(str){
    var result = [];
    var list = str.split("");
    for(var i=0;i<list.length;i++){
        if(i != 0){
            result.push(" ");
        }
        var item = list[i];
        var binaryStr = item.charCodeAt().toString(2);
        result.push(binaryStr);
    }   
    return result.join("");
}
 
console.log(strToBinary("我们")); //110001000010001 100111011101100

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