memories = [wasmMemory] //TODO: change it to real memory address
// the real memory pointer can be found by searching "new WebAssembly.Memory", the result value is the memory address base pointer
viewDWORD = (addr) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint32Array(memories[0].buffer.slice(addr, addr + 16));
    return arr;
};
viewChar = (addr, size = 16) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint8Array(memories[0].buffer.slice(addr, addr + size));
    return String.fromCharCode.apply(null, arr);
};
viewHEX = (addr, size = 16) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint8Array(memories[0].buffer.slice(addr, addr + size));
    return (Array.from(arr, x =>x.toString(16).padStart(2, '0')).join(' '));
};
viewHexCode = (addr, size = 16) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint8Array(memories[0].buffer.slice(addr, addr + size));
    return (Array.from(arr, x =>'0x' + x.toString(16).padStart(2, '0')).join(', '));
};
dumpMemory = (addr, size = 16) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint8Array(memories[0].buffer.slice(addr, addr + size));
    return arr;
};
viewString = (addr, size = 16) =>{
    addr = addr.value !== undefined ? addr.value : addr;
    const arr = new Uint8Array(memories[0].buffer.slice(addr, addr + size));
    let max = size;
    for (let i = 0; i < size; i++) {
        if (arr[i] === 0) {
            max = i;
            break;
        }
    }
    return String.fromCharCode.apply(null, arr.slice(0, max));
};
viewStrings = (...addrs) =>{
    addrs.forEach(addr=>{
        console.log(addr, viewString(addr))
    })
};
search = function(stirng) {
    const m = new Uint8Array(memories[0].buffer);
    // vid=35402, 9AAizQZJ
    // vid=20268, a3fMpSkB
    const k = Array.from(stirng, x =>x.charCodeAt());

    const match = (j) =>{
        return k.every((b, i) =>m[i + j] === b);
    };
    const max = Math.min(10_000_000, m.byteLength || m.length);
    for (let i = 0; i < max; i++) {
        if (match(i)) {
            console.info(i);
        }
    }
    console.info('done');
}

Then you can view wasm strings like

viewStrings($var1, $var2, $var3)